July 13, 2021—KB5004307 (Security-only update)

2021-07-13T07:00:00

Description

None **Important: **Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as "C" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release). Verify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 7 and Windows Server 2008 R2 update history [home page](<https://support.microsoft.com/help/4009469>). ## **Improvements and fixes** This security update includes quality improvements. Key changes include the following: * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>). * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>) * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, and Windows Graphics. For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website. ## **Known issues in this update** **Symptom**| **Workaround** ---|--- After installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). After installing this update and restarting your device, you might receive the error, “Failure to configure Windows updates. Reverting Changes. Do not turn off your computer,” and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances: * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>). * If you do not have an ESU MAK add-on key installed and activated. If you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the "How to get this update" section of this article. Certain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.| Do one of the following: * Perform the operation from a process that has administrator privilege. * Perform the operation from a node that doesn’t have CSV ownership. Microsoft is working on a resolution and will provide an update in an upcoming release. ## **How to get this update** **Before installing this update****IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends. Extended support ends as follows: * For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020. * For Windows Embedded Standard 7, extended support ends on October 13, 2020. For more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Note** For Windows Embedded Standard 7, Windows Management Instrumentation (WMI) must be enabled to get updates from Windows Update or Windows Server Update Services.**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes. 1. The March 12, 2019 servicing stack update (SSU) ([KB4490628](<https://support.microsoft.com/help/4490628>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed. 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>). 3. For Windows Thin PC, you must have the August 11, 2020 SSU ([KB4570673](<https://support.microsoft.com/help/4570673>)) or a later SSU installed to make sure you continue to get the extended security updates starting with the October 13, 2020 updates. 4. To get this security update, you must reinstall the "Extended Security Updates (ESU) Licensing Preparation Package" ([KB4538483](<https://support.microsoft.com/help/4538483>)) or the "Update for the Extended Security Updates (ESU) Licensing Preparation Package" ([KB4575903](<https://support.microsoft.com/help/4575903>)) even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). After installing the items above, Microsoft strongly recommends that you install the latest SSU ([KB5004378](<https://support.microsoft.com/help/5004378>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5004233](<https://support.microsoft.com/help/5004233>)).**Install this update****Release Channel**| **Available**| **Next Step** ---|---|--- Windows Update and Microsoft Update| No| See the other options below. Microsoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004307>) website. Windows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows Thin PC**Classification**: Security Updates ## **File information** For a list of the files that are provided in this update, download the [file information for update 5004307](<https://download.microsoft.com/download/4/2/0/4203a9dd-0925-47f8-a58e-27ede44ff81a/5004307.csv>).

{"id": "KB5004307", "vendorId": null, "type": "mskb", "bulletinFamily": "microsoft", "title": "July 13, 2021\u2014KB5004307 (Security-only update)", "description": "None\n**Important: **Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nVerify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 7 and Windows Server 2008 R2 update history [home page](<https://support.microsoft.com/help/4009469>).\n\n## **Improvements and fixes**\n\nThis security update includes quality improvements. Key changes include the following:\n\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, and Windows Graphics.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer,\u201d and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update****IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends. Extended support ends as follows:\n\n * For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020.\n * For Windows Embedded Standard 7, extended support ends on October 13, 2020.\nFor more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Note** For Windows Embedded Standard 7, Windows Management Instrumentation (WMI) must be enabled to get updates from Windows Update or Windows Server Update Services.**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The March 12, 2019 servicing stack update (SSU) ([KB4490628](<https://support.microsoft.com/help/4490628>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. For Windows Thin PC, you must have the August 11, 2020 SSU ([KB4570673](<https://support.microsoft.com/help/4570673>)) or a later SSU installed to make sure you continue to get the extended security updates starting with the October 13, 2020 updates.\n 4. To get this security update, you must reinstall the \"Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4538483](<https://support.microsoft.com/help/4538483>)) or the \"Update for the Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4575903](<https://support.microsoft.com/help/4575903>)) even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, Microsoft strongly recommends that you install the latest SSU ([KB5004378](<https://support.microsoft.com/help/5004378>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5004233](<https://support.microsoft.com/help/5004233>)).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004307>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows Thin PC**Classification**: Security Updates \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004307](<https://download.microsoft.com/download/4/2/0/4203a9dd-0925-47f8-a58e-27ede44ff81a/5004307.csv>).\n", "published": "2021-07-13T07:00:00", "modified": "2021-07-13T07:00:00", "epss": [{"cve": "CVE-2020-17049", "epss": 0.0239, "percentile": 0.88309, "modified": "2023-06-06"}, {"cve": "CVE-2021-33757", "epss": 0.00215, "percentile": 0.58079, "modified": "2023-05-23"}, {"cve": "CVE-2021-34496", "epss": 0.00044, "percentile": 0.08367, "modified": "2023-05-23"}], "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 9.0}, "severity": "HIGH", "exploitabilityScore": 8.0, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "exploitabilityScore": 3.9, "impactScore": 5.9}, "href": "https://support.microsoft.com/en-us/help/5004307", "reporter": "Microsoft", "references": [], "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34496"], "immutableFields": [], "lastseen": "2023-06-23T19:38:32", "viewCount": 24, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2023:2570"]}, {"type": "altlinux", "idList": ["1033D3ADEA055C91F1302ABC7236AEED"]}, {"type": "amazon", "idList": ["ALAS-2022-1642"]}, {"type": "attackerkb", "idList": ["AKB:D354FE9E-B72A-4328-93DD-28578E160D9B"]}, {"type": "avleonov", "idList": ["AVLEONOV:28E47C69DA4A069031694EB4C2C931BA"]}, {"type": "cnvd", "idList": ["CNVD-2021-63291"]}, {"type": "cve", "idList": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34496"]}, {"type": "kaspersky", "idList": ["KLA12003", "KLA12004", "KLA12221", "KLA12226"]}, {"type": "mscve", "idList": ["MS:CVE-2020-17049", "MS:CVE-2021-33757", "MS:CVE-2021-34496"]}, {"type": "mskb", "idList": ["KB4586781", "KB4586786", "KB4586793", "KB4586808", "KB4586823", "KB4586830", "KB4586834", "KB4586845", "KB4598243", "KB4598278", "KB4598279", "KB4598285", "KB4598288", "KB5000803", "KB5000840", "KB5000841", "KB5000844", "KB5000847", "KB5000848", "KB5000851", "KB5000853", "KB5000856", "KB5001330", "KB5001337", "KB5001342", "KB5001347", "KB5004237", "KB5004238", "KB5004244", "KB5004245", "KB5004249", "KB5004285", "KB5004289", "KB5004294", "KB5004298", "KB5004299", "KB5004302", "KB5004305", "KB5014677"]}, {"type": "msrc", "idList": ["MSRC:452B42E4ACDA83C55869411B3D90A2B6"]}, {"type": "nessus", "idList": ["AL2022_ALAS2022-2022-213.NASL", "ALA_ALAS-2022-1642.NASL", "ALMA_LINUX_ALSA-2023-2570.NASL", "ORACLELINUX_ELSA-2023-2570.NASL", "REDHAT-RHSA-2023-2570.NASL", "SMB_NT_MS20_NOV_4586793.NASL", "SMB_NT_MS20_NOV_4586830.NASL", "SMB_NT_MS20_NOV_4586834.NASL", "SMB_NT_MS20_NOV_4586845.NASL", "SMB_NT_MS21_JUL_5004237.NASL", "SMB_NT_MS21_JUL_5004238.NASL", "SMB_NT_MS21_JUL_5004244.NASL", "SMB_NT_MS21_JUL_5004245.NASL", "SMB_NT_MS21_JUL_5004249.NASL", "SMB_NT_MS21_JUL_5004294.NASL", "SMB_NT_MS21_JUL_5004298.NASL", "SMB_NT_MS21_JUL_5004305.NASL", "SMB_NT_MS21_JUL_5004307.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2023-2570"]}, {"type": "rapid7blog", "idList": ["RAPID7BLOG:4B35B23167A9D5E016537F6A81E4E9D4"]}, {"type": "redhat", "idList": ["RHSA-2023:3367", "RHSA-2023:3742"]}, {"type": "redhatcve", "idList": ["RH:CVE-2020-17049"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2021:3647-1"]}]}, "score": {"value": -0.5, "vector": "NONE"}, "backreferences": {"references": [{"type": "attackerkb", "idList": ["AKB:D354FE9E-B72A-4328-93DD-28578E160D9B"]}, {"type": "avleonov", "idList": ["AVLEONOV:28E47C69DA4A069031694EB4C2C931BA"]}, {"type": "cve", "idList": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34496"]}, {"type": "kaspersky", "idList": ["KLA12004"]}, {"type": "mscve", "idList": ["MS:CVE-2020-17049", "MS:CVE-2021-33757", "MS:CVE-2021-34496"]}, {"type": "mskb", "idList": ["KB4570673", "KB4575903"]}, {"type": "nessus", "idList": ["MICROSOFT_OFFICE_UNSUPPORTED.NASL"]}, {"type": "rapid7blog", "idList": ["RAPID7BLOG:4B35B23167A9D5E016537F6A81E4E9D4"]}, {"type": "redhatcve", "idList": ["RH:CVE-2020-17049"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2021:3647-1"]}]}, "exploitation": null, "epss": [{"cve": "CVE-2020-17049", "epss": "0.320390000", "percentile": "0.963010000", "modified": "2023-03-17"}, {"cve": "CVE-2021-33757", "epss": "0.001880000", "percentile": "0.545180000", "modified": "2023-03-17"}, {"cve": "CVE-2021-34496", "epss": "0.000430000", "percentile": "0.073630000", "modified": "2023-03-17"}], "vulnersScore": -0.5}, "_state": {"dependencies": 1687549135, "score": 1687549644, "epss": 0}, "_internal": {"score_hash": "18a598ca32499ce2a05b6e2a86ef9b8e"}, "kb": "KB5004307", "msrc": "", "mscve": "CVE-2021-34496", "msplatform": "", "msfamily": "ESU", "msimpact": "Information Disclosure", "msseverity": "Important", "superseeds": [], "parentseeds": [], "msproducts": ["10051", "10047", "10048", "10049"], "affectedProducts": ["Windows Server 2008 R2 for x64-based Systems Service Pack 1", "Windows 7 for x64-based Systems Service Pack 1", 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{"mskb": [{"lastseen": "2023-06-23T19:38:29", "description": "None\n**Important: **Windows 7 and Windows Server 2008 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nVerify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 7 and Windows Server 2008 R2 update history [home page](<https://support.microsoft.com/help/4009469>).\n\n## **Improvements and fixes**\n\nThis security update includes improvements and fixes that were a part of update [KB5004953](<https://support.microsoft.com/help/5004953>) (released July 6, 2021) and addresses the following issues:\n\n * Addresses an issue in which 16-bit applications fail with an error message that indicates a general fault in VBRUN300.DLL.\n * Addresses an issue in which some EMFs built by using third-party applications that use **ExtCreatePen** and **ExtCreateFontIndirect** render incorrectly.\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows Graphics, Microsoft Scripting Engine, Windows HTML Platforms, and Windows MSHTML Platform.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## **Known issues in this update**\n\n**Symptom **| **Workaround ** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer,\u201d and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following: \n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update****IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends. Extended support ends as follows:\n\n * For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020.\n * For Windows Embedded Standard 7, extended support ends on October 13, 2020.\nFor more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Note** For Windows Embedded Standard 7, Windows Management Instrumentation (WMI) must be enabled to get updates from Windows Update or Windows Server Update Services.**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The March 12, 2019 servicing stack update (SSU) ([KB4490628](<https://support.microsoft.com/help/4490628>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. For Windows Thin PC, you must have the August 11, 2020 SSU ([KB4570673](<https://support.microsoft.com/help/4570673>)) or a later SSU installed to make sure you continue to get the extended security updates starting with the October 13, 2020 updates.\n 4. To get this security update, you must reinstall the \"Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4538483](<https://support.microsoft.com/help/4538483>)) or the \"Update for the Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4575903](<https://support.microsoft.com/help/4575903>)) even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter you install the items above, we strongly recommend that you install the latest SSU ([KB5004378](<https://support.microsoft.com/help/5004378>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update if you are an ESU customer. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004289>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows Thin PC**Classification**: Security Updates \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004289](<https://download.microsoft.com/download/b/2/9/b29d47d0-9fa7-4d8e-ad43-797c522305ac/5004289.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004289 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34496"], "modified": "2021-07-13T07:00:00", "id": "KB5004289", "href": "https://support.microsoft.com/en-us/help/5004289", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:32", "description": "None\n**Important: **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the device. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**Important: **Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nVerify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n## **Improvements and fixes**\n\nThis security update includes quality improvements. Key changes include the following: \n\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows Operating System Security, and Windows Graphics.\nFor more information about the resolved security vulnerabilities, please refer to the [Security Update Guide](<https://portal.msrc.microsoft.com/security-guidance>).\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB5001401](<https://support.microsoft.com/help/5001401>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5004233](<https://support.microsoft.com/help/5004233>)).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004302>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Update \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004302](<https://download.microsoft.com/download/d/2/1/d21b72bd-7f99-4ec8-b5d1-413e18c923ae/5004302.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004302 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34459"], "modified": "2021-07-13T07:00:00", "id": "KB5004302", "href": "https://support.microsoft.com/en-us/help/5004302", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:30", "description": "None\n**Important: **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the device. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**Important: **Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n## **Improvements and fixes**\n\nThis security update includes improvements and fixes that were a part of update [KB5004954](<https://support.microsoft.com/help/5004954>) (released July 6, 2021) and addresses the following issues:\n\n * Addresses an issue in which 16-bit applications fail with an error message that states a general fault in VBRUN300.DLL.\n * Addresses an issue in which some EMFs built by using third-party applications that use **ExtCreatePen** and **ExtCreateFontIndirect** render incorrectly.\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049. ](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows Operating System Security, Windows Graphics, Microsoft Scripting Engine, Windows HTML Platforms, and Windows MSHTML Platform.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB5001403](<https://support.microsoft.com/help/5001403>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004298>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Updates \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004298](<https://download.microsoft.com/download/3/2/6/32647c6d-2296-439e-8918-21be0f8cd42a/5004298.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004298 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34459"], "modified": "2021-07-13T07:00:00", "id": "KB5004298", "href": "https://support.microsoft.com/en-us/help/5004298", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:32", "description": "None\n**Important: **Windows Server 2008 Service Pack 2 (SP2) has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nVerify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2008 Service Pack 2 update history [home page](<https://support.microsoft.com/help/4343218>).\n\n## **Improvements and fixes**\n\nThis security update includes improvements and fixes that were a part of update [KB5004955](<https://support.microsoft.com/help/5004955>) (released July 6, 2021) and addresses the following issues: \n\n * Addresses an issue in which some EMFs built by using third-party applications that use **ExtCreatePen** and **ExtCreateFontIndirect** render incorrectly.\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows Graphics, Windows HTML Platforms, and Windows MSHTML Platform.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer\u201d, and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update****IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends on January 14, 2020.For more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The April 9, 2019 servicing stack update (SSU) ([KB4493730](<https://support.microsoft.com/help/4493730>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released October 8, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. The Extended Security Updates (ESU) Licensing Preparation Package ([KB4538484](<https://support.microsoft.com/help/4538484>)) or the Update for the Extended Security Updates (ESU) Licensing Preparation Package ([KB4575904](<https://support.microsoft.com/help/4575904>)). The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, Microsoft strongly recommends that you install the latest SSU ([KB4580971](<https://support.microsoft.com/help/4580971>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update if you are an ESU customer. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004305>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2008 Service Pack 2**Classification**: Security Updates \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004305](<https://download.microsoft.com/download/f/9/7/f978ea6e-6cd9-4e04-bbd4-c9b1d1372586/5004305.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004305 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34444"], "modified": "2021-07-13T07:00:00", "id": "KB5004305", "href": "https://support.microsoft.com/en-us/help/5004305", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:30", "description": "None\n**Important: **Windows Server 2008 Service Pack 2 (SP2) has reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nVerify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n \nWSUS scan cab files will continue to be available for Windows Server 2008 SP2. If you have a subset of devices running this operating system without ESU, they might show as non-compliant in your patch management and compliance toolsets.\n\n## **Improvements and fixes**\n\nThis security update includes quality improvements. Key changes include the following: \n\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, and Windows Graphics.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer\u201d, and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update****IMPORTANT** Customers who have purchased the [Extended Security Update (ESU)](<https://www.microsoft.com/en-us/cloud-platform/extended-security-updates>) for on-premises versions of this OS must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends on January 14, 2020.For more information on ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The April 9, 2019 servicing stack update (SSU) ([KB4493730](<https://support.microsoft.com/help/4493730>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released October 8, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. The Extended Security Updates (ESU) Licensing Preparation Package ([KB4538484](<https://support.microsoft.com/help/4538484>)) or the Update for the Extended Security Updates (ESU) Licensing Preparation Package ([KB4575904](<https://support.microsoft.com/help/4575904>)). The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, we strongly recommend that you install the latest SSU ([KB4580971](<https://support.microsoft.com/help/4580971>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5004233](<https://support.microsoft.com/help/5004233>)).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004299>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2008 Service Pack 2**Classification**: Security Updates \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004299](<https://download.microsoft.com/download/3/f/c/3fccfcfa-da17-4e5d-8016-e3fae8dde731/5004299.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004299 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34444"], "modified": "2021-07-13T07:00:00", "id": "KB5004299", "href": "https://support.microsoft.com/en-us/help/5004299", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:28", "description": "None\n**Important: **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the device. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**Important: **Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n## **Improvements and fixes**\n\nThis security update includes quality improvements. Key changes include the following: \n\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows Operating System Security, and Windows Graphics.\nFor more information about the resolved security vulnerabilities, please refer to the [Security Update Guide](<https://portal.msrc.microsoft.com/security-guidance>).\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB5001403](<https://support.microsoft.com/help/5001403>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5004233](<https://support.microsoft.com/help/5004233>)).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004285>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Update \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004285](<https://download.microsoft.com/download/4/8/e/48e7fb1b-c9ea-4fb6-9fa8-7bec0eba1512/5004285.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004285 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34459"], "modified": "2021-07-13T07:00:00", "id": "KB5004285", "href": "https://support.microsoft.com/en-us/help/5004285", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:29", "description": "None\n**Important: **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the device. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**Important: **Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nVerify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n## **Improvements and fixes**\n\nThis security update includes improvements and fixes that were a part of update [KB5004956](<https://support.microsoft.com/help/5004956>) (released July 6, 2021) and addresses the following issues: \n\n * Addresses an issue in which 16-bit applications fail with an error message that states a general fault in VBRUN300.DLL.\n * Addresses an issue in which some EMFs built by using third-party applications that use **ExtCreatePen** and **ExtCreateFontIndirect** render incorrectly.\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-33757>). For more information, see [KB5004605](<https://support.microsoft.com/help/5004605>).\n * Removes support for the **PerformTicketSignature** setting and permanently enables **Enforcement mode**. [For more information and additional steps to enable protection on domain controller servers, see Managing deployment of Kerberos S4U changes for CVE-2020-17049.](<https://support.microsoft.com/help/4598347>)\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows Operating System Security, Windows Graphics, Microsoft Scripting Engine, Windows HTML Platforms, and Windows MSHTML Platform.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## **Known issues in this update**\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices which are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>), might fail to print when using smart-card (PIV) authentication.| For more information on this issue, please see [KB5005408 - Smart-card authentication might cause print and scan failures](<https://support.microsoft.com/help/5005408>). \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## **How to get this update**\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB5001401](<https://support.microsoft.com/help/5001401>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004294>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Updates \n \n## **File information**\n\nFor a list of the files that are provided in this update, download the [file information for update 5004294](<https://download.microsoft.com/download/d/d/8/dd8d3ce0-52b3-4c5c-a23c-4db4f85de1a8/5004294.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004294 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-34459"], "modified": "2021-07-13T07:00:00", "id": "KB5004294", "href": "https://support.microsoft.com/en-us/help/5004294", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:26", "description": "None\n**6/15/21 \nIMPORTANT **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the machine. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**11/17/20**For information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385>). To view other notes and messages, see the Windows 10, version 2004 update history [home page](<https://support.microsoft.com/en-us/help/4555932>).**Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n## Highlights\n\n * Updates for verifying usernames and passwords.\n * Updates to improve security when Windows performs basic operations.\n * Updates an issue that might make printing to certain printers difficult. This issue affects various brands and models, but primarily receipt or label printers that connect using a USB port. After installing this update, you do not need to use a Known Issue Rollback (KIR) or a special Group Policy to resolve this issue[. ](<>)\n\n## Improvements and fixes\n\n**Note **To view the list of addressed issues, click or tap the OS name to expand the collapsible section.\n\n### \n\n__\n\nWindows 10 servicing stack update - 19041.1081, 19042.1081, and 19043.1081\n\n * This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.\n\n### \n\n__\n\nWindows 10, version 21H1\n\nThis security update includes quality improvements. Key changes include:\n\n * This build includes all the improvements from Windows 10, version 2004.\n * No additional issues were documented for this release.\n\n### \n\n__\n\nWindows 10, version 20H2\n\nThis security update includes quality improvements. Key changes include:\n\n * This build includes all the improvements from Windows 10, version 2004.\n * No additional issues were documented for this release.\n\n### \n\n__\n\nWindows 10, version 2004\n\n**Note: **This release also contains updates for Microsoft HoloLens (OS Build 19041.1157) released July 13, 2021. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\nThis security update includes quality improvements. Key changes include:\n\n * Addresses an issue that might make printing to certain printers difficult. This issue affects various brands and models, but primarily receipt or label printers that connect using a USB port. After installing this update, you do not need to use a Known Issue Rollback (KIR) or a special Group Policy to resolve this issue.\n * Removes support for the PerformTicketSignature setting and permanently enables Enforcement mode for CVE-2020-17049. For more information and steps to enable full protection on domain controller servers, see [Managing deployment of Kerberos S4U changes for CVE-2020-17049](<https://support.microsoft.com/en-us/topic/kb4598347-managing-deployment-of-kerberos-s4u-changes-for-cve-2020-17049-569d60b7-3267-e2b0-7d9b-e46d770332ab>).\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33757>). For more information, see KB5004605.\n * Addresses a vulnerability in which Primary Refresh Tokens are not strongly encrypted. This issue might allow the tokens to be reused until the token expires or is renewed. For more information about this issue, see [CVE-2021-33779](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33779>).\n * Security updates to Windows Apps, Windows Management, Windows Fundamentals, Windows Authentication, Windows User Account Control (UAC), Operating System Security, Windows Virtualization, Windows Linux, the Windows Kernel, the Microsoft Scripting Engine, the Windows HTML Platforms, the Windows MSHTML Platform, and Windows Graphics.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n### \n\n__\n\nClick or tap to view the known issues\n\n**Symptom**| **Workaround** \n---|--- \nWhen using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters in an app that automatically allows the input of Furigana characters, you might not get the correct Furigana characters. You might need to enter the Furigana characters manually.**Note **The affected apps are using the **ImmGetCompositionString()** function.| This issue is resolved in KB5005101. \nDevices with Windows installations created from custom offline media or custom ISO image might have [Microsoft Edge Legacy](<https://support.microsoft.com/en-us/microsoft-edge/what-is-microsoft-edge-legacy-3e779e55-4c55-08e6-ecc8-2333768c0fb0>) removed by this update, but not automatically replaced by the new Microsoft Edge. This issue is only encountered when custom offline media or ISO images are created by slipstreaming this update into the image without having first installed the standalone servicing stack update (SSU) released March 29, 2021 or later.**Note **Devices that connect directly to Windows Update to receive updates are not affected. This includes devices using Windows Update for Business. Any device connecting to Windows Update should always receive the latest versions of the SSU and latest cumulative update (LCU) without any extra steps. | To avoid this issue, be sure to first slipstream the SSU released March 29, 2021 or later into the custom offline media or ISO image before slipstreaming the LCU. To do this with the combined SSU and LCU packages now used for Windows 10, version 20H2 and Windows 10, version 2004, you will need to extract the SSU from the combined package. Use the following steps to extract the SSU:\n\n 1. Extract the cab from the msu via this command line (using the package for KB5000842 as an example): **expand Windows10.0-KB5000842-x64.msu /f:Windows10.0-KB5000842-x64.cab <destination path>**\n 2. Extract the SSU from the previously extracted cab via this command line: **expand Windows10.0-KB5000842-x64.cab /f:* <destination path>**\n 3. You will then have the SSU cab, in this example named **SSU-19041.903-x64.cab**. Slipstream this file into your offline image first, then the LCU.\nIf you have already encountered this issue by installing the OS using affected custom media, you can mitigate it by directly installing the [new Microsoft Edge](<https://www.microsoft.com/edge>). If you need to broadly deploy the new Microsoft Edge for business, see [Download and deploy Microsoft Edge for business](<https://www.microsoft.com/edge/business/download>). \nAfter installing the May 25, 2021 (KB5003214) and June 21, 2021 (KB5003690) updates, some devices cannot install new updates, such as the July 6, 2021 (KB5004945) or later updates. You will receive the error message, \"PSFX_E_MATCHING_BINARY_MISSING\".| For more information and a workaround, see KB5005322. \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices that are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>) might fail to print when using smart card (PIV) authentication.| For more information, see KB5005408. \nUniversal Windows Platform (UWP) apps might not open on devices that have undergone a Windows device reset. This includes operations that were initiated using Mobile Device Management (MDM), such as Reset this PC, Push-button reset, and Autopilot Reset. UWP apps you downloaded from the Microsoft Store are not affected. Only a limited set of apps are affected, including:\n\n * App packages with framework dependencies\n * Apps that are provisioned for the device, not per user account.\nThe affected apps will fail to open without error messages or other observable symptoms. They must be re-installed to restore functionality.| This issue is addressed in KB5015878 for all releases starting June 21, 2021 and later. \n \n## How to get this update\n\n**Before installing this update**Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.Prerequisite:For Windows Server Update Services (WSUS) deployment:\n\n * Install the May 11, 2021 update (KB5003173) before you install the latest cumulative update.\nFor offline Deployment Image Servicing and Management (**DISM.exe**) deployment:\n\n * If an image does not have the February 24, 2021 (KB4601382) or later cumulative update, install the January 12, 2021 SSU (KB4598481) and the May 11, 2021 update (KB5003173).\n**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nWindows Update for Business| Yes| None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004237>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n \n**If you want to remove the LCU**To remove the LCU after installing the combined SSU and LCU package, use the [DISM/Remove-Package](<https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/dism-operating-system-package-servicing-command-line-options>) command line option with the LCU package name as the argument. You can find the package name by using this command: **DISM /online /get-packages**.Running [Windows Update Standalone Installer](<https://support.microsoft.com/en-us/topic/description-of-the-windows-update-standalone-installer-in-windows-799ba3df-ec7e-b05e-ee13-1cdae8f23b19>) (**wusa.exe**) with the **/uninstall **switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.\n\n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5004237](<https://download.microsoft.com/download/6/5/2/65245c79-00e2-4474-885c-6cb7dcc68fe7/5004237.csv>). For a list of the files that are provided in the servicing stack update, download the [file information for the SSU - version 19041.1081, 19042.1081, and 19043.1081](<https://download.microsoft.com/download/c/0/f/c0febc6b-065c-420f-bb68-737a971753ec/SSU_version_19041_1110.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004237 (OS Builds 19041.1110, 19042.1110, and 19043.1110)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-33779", "CVE-2021-34476"], "modified": "2021-07-13T07:00:00", "id": "KB5004237", "href": "https://support.microsoft.com/en-us/help/5004237", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:28", "description": "None\n**NEW 7/13/21 \nIMPORTANT **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the machine. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>). \n\n**11/19/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385>). To view other notes and messages, see the Windows 10, version 1607 update history home page. \n\n## Highlights\n\n * Updates to remove Adobe Flash from your device. \n * Updates for verifying usernames and passwords.\n * Updates to improve security when Windows performs basic operations.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Removes support for the PerformTicketSignature setting and permanently enables Enforcement mode for CVE-2020-17049. For more information and steps to enable full protection on domain controller servers, see [Managing deployment of Kerberos S4U changes for CVE-2020-17049](<https://support.microsoft.com/en-us/topic/kb4598347-managing-deployment-of-kerberos-s4u-changes-for-cve-2020-17049-569d60b7-3267-e2b0-7d9b-e46d770332ab>).\n * Addresses an issue that incorrectly renders some Enhanced Metafile Format (EMF) files. This issue occurs if you build the EMF files using third-party applications with **ExtCreatePen()** and **ExtCreateFontIndirect()**.\n * Addresses a redirector stop error that is caused by a race condition that occurs when the system deletes binding objects when connections close.\n * Removes the Adobe Flash component from your device.\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33757>). For more information, see KB5004605.\n * Addresses a vulnerability in which Primary Refresh Tokens are not strongly encrypted. This issue might allow the tokens to be reused until the token expires or is renewed. For more information about this issue, see [CVE-2021-33779](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33779>).\n * Security updates to Windows Apps, Windows Fundamentals, Windows Authentication, Windows User Account Control (UAC), Operating System Security, the Windows Kernel, Windows Graphics, the Microsoft Scripting Engine, the Windows HTML Platforms, the Windows MSHTML Platform, and Windows Active Directory.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n### \n\n__\n\nClick or tap to view the known issues\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices that are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>) might fail to print when using smart card (PIV) authentication.| This issue is resolved in KB5005393. \nAfter installing updates released April 22, 2021 or later, an issue occurs that affects versions of Windows Server that are in use as a Key Management Services (KMS) host. Client devices running Windows 10 Enterprise LTSC 2019 and Windows 10 Enterprise LTSC 2016 might fail to activate. This issue only occurs when using a new Customer Support Volume License Key (CSVLK). **Note** This does not affect activation of any other version or edition of Windows. Client devices that are attempting to activate and are affected by this issue might receive the error, \"Error: 0xC004F074. The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted. Please see the Application Event Log for additional information.\"Event Log entries related to activation are another way to tell that you might be affected by this issue. Open **Event Viewer **on the client device that failed activation and go to **Windows Logs **> **Application**. If you see only event ID 12288 without a corresponding event ID 12289, this means one of the following:\n\n * The KMS client could not reach the KMS host.\n * The KMS host did not respond.\n * The client did not receive the response.\nFor more information on these event IDs, see [Useful KMS client events - Event ID 12288 and Event ID 12289](<https://docs.microsoft.com/windows-server/get-started/activation-troubleshoot-kms-general#event-id-12288-and-event-id-12289>).| This issue is resolved in KB5010359. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB5001402) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nWindows Update for Business| Yes| None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004238>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5004238](<https://download.microsoft.com/download/8/d/3/8d3920d3-40d4-43c8-a4f7-c8aacffabdca/5004238.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004238 (OS Build 14393.4530)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-33779", "CVE-2021-34459"], "modified": "2021-07-13T07:00:00", "id": "KB5004238", "href": "https://support.microsoft.com/en-us/help/5004238", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:28", "description": "None\n**6/15/21 \nIMPORTANT **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the machine. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**5/11/21 \nREMINDER **Windows 10, version 1809 reached end of service on May 11, 2021 for devices running the Enterprise, Education, and IoT Enterprise editions. After May 11, 2021, these devices will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.We will continue to service the following editions: Enterprise G, HoloLens, and the LTSC editions for Client, Server, and IoT.\n\n**5/11/21 \nREMINDER **Microsoft removed the Microsoft Edge Legacy desktop application that is out of support in April 2021. In the May 11, 2021 release, we installed the new Microsoft Edge. For more information, see [New Microsoft Edge to replace Microsoft Edge Legacy with April\u2019s Windows 10 Update Tuesday release](<https://aka.ms/EdgeLegacyEOS>).\n\n**11/17/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385>). To view other notes and messages, see the Windows 10, version 1809 update history home page.\n\n**Note **This release also contains updates for Microsoft HoloLens (OS Build 17763.2061) released July 13, 2021. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\n## Highlights\n\n * Updates to improve security when Windows performs basic operations.\n * Updates for verifying usernames and passwords.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Removes support for the PerformTicketSignature setting and permanently enables Enforcement mode for CVE-2020-17049. For more information and steps to enable full protection on domain controller servers, see [Managing deployment of Kerberos S4U changes for CVE-2020-17049](<https://support.microsoft.com/en-us/topic/kb4598347-managing-deployment-of-kerberos-s4u-changes-for-cve-2020-17049-569d60b7-3267-e2b0-7d9b-e46d770332ab>). \n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33757>). For more information, see KB5004605.\n * Addresses a vulnerability in which Primary Refresh Tokens are not strongly encrypted. This issue might allow the tokens to be reused until the token expires or is renewed. For more information about this issue, see [CVE-2021-33779](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33779>).\n * Security updates to Windows Apps, Windows Management, Windows Fundamentals, Windows Authentication, Windows User Account Control (UAC), Operating System Security, Windows Fundamentals, Windows Virtualization, Windows Linux, the Windows Kernel, the Microsoft Scripting Engine, the Windows HTML Platforms, the Windows MSHTML Platform, and Windows Graphics.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n### \n\n__\n\nClick or tap to view the known issues\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing KB4493509, devices with some Asian language packs installed may receive the error, \"0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND.\"| \n\n 1. Uninstall and reinstall any recently added language packs. For instructions, see Manage the input and display language settings in Windows 10.\n 2. Select **Check for Updates** and install the April 2019 Cumulative Update. For instructions, see Update Windows 10.\n**Note** If reinstalling the language pack does not mitigate the issue, reset your PC as follows:\n\n 1. Go to the **Settings **app > **Recovery**.\n 2. Select **Get Started** under the **Reset this PC** recovery option.\n 3. Select **Keep my Files**.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing KB5001342 or later, the Cluster Service might fail to start because a Cluster Network Driver is not found.| This issue occurs because of an update to the PnP class drivers used by this service. After about 20 minutes, you should be able to restart your device and not encounter this issue. \nFor more information about the specific errors, cause, and workaround for this issue, please see KB5003571. \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices that are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>) might fail to print when using smart card (PIV) authentication.| This issue is resolved in KB5005394. \nAfter installing updates released April 22, 2021 or later, an issue occurs that affects versions of Windows Server that are in use as a Key Management Services (KMS) host. Client devices running Windows 10 Enterprise LTSC 2019 and Windows 10 Enterprise LTSC 2016 might fail to activate. This issue only occurs when using a new Customer Support Volume License Key (CSVLK). **Note** This does not affect activation of any other version or edition of Windows. Client devices that are attempting to activate and are affected by this issue might receive the error, \"Error: 0xC004F074. The Software Licensing Service reported that the computer could not be activated. No Key Management Service (KMS) could be contacted. Please see the Application Event Log for additional information.\"Event Log entries related to activation are another way to tell that you might be affected by this issue. Open **Event Viewer **on the client device that failed activation and go to **Windows Logs **> **Application**. If you see only event ID 12288 without a corresponding event ID 12289, this means one of the following:\n\n * The KMS client could not reach the KMS host.\n * The KMS host did not respond.\n * The client did not receive the response.\nFor more information on these event IDs, see [Useful KMS client events - Event ID 12288 and Event ID 12289](<https://docs.microsoft.com/windows-server/get-started/activation-troubleshoot-kms-general#event-id-12288-and-event-id-12289>).| This issue is resolved in KB5009616. \n \n## How to get this update\n\n**Before installing this update**Prerequisite:You **must **install the May 11, 2021 servicing stack update (SSU) (KB5003243) or the latest SSU (KB5003711) before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nWindows Update for Business| Yes| None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004244>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5004244](<https://download.microsoft.com/download/6/a/9/6a91388b-a0d7-427c-914f-3f9139aac7e4/5004244.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004244 (OS Build 17763.2061)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-33757", "CVE-2021-33779", "CVE-2021-34504"], "modified": "2021-07-13T07:00:00", "id": "KB5004244", "href": "https://support.microsoft.com/en-us/help/5004244", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:28", "description": "None\n**6/15/21 \nIMPORTANT **This release includes the Flash Removal Package. Taking this update will remove Adobe Flash from the machine. For more information, see the [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/>).\n\n**5/11/21** \n**REMINDER **Windows 10, version 1909 reached end of service on May 11, 2021 for devices running the Home, Pro, Pro for Workstation, Nano Container, and Server SAC editions. After May 11, 2021, these devices will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.We will continue to service the following editions: Enterprise, Education, and IoT Enterprise.\n\n**11/19/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385>). To view other notes and messages, see the Windows 10, version 1909 update history home page.**Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n## Highlights\n\n * Updates for verifying usernames and passwords.\n * Updates to improve security when Windows performs basic operations. \n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33757>). For more information, see KB5004605.\n * Security updates to Windows Apps, Windows Management, Windows Fundamentals, Windows Authentication, Windows User Account Control (UAC), Operating System Security, Windows Virtualization, Windows Linux, the Windows Kernel, the Microsoft Scripting Engine, the Windows HTML Platforms, the Windows MSHTML Platform, and Windows Graphics.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices that are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>) might fail to print when using smart card (PIV) authentication.| For more information, see KB5005408. \n \n## How to get this update\n\n**Before installing this update**Prerequisite:You **must **install the April 13, 2021 servicing stack update (SSU) (KB5001406) or the latest SSU (KB5004748) before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/home.aspx>).Prerequisite for IoT Enterprise only:You **must **install the July 13, 2021 servicing stack update (SSU) (KB5004748) before installing the latest cumulative update (LCU).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nWindows Update for Business| Yes| None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004245>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5004245](<https://download.microsoft.com/download/6/7/8/67887b4b-3c2d-4fb6-827f-35c90ea0ec51/5004245.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004245 (OS Build 18363.1679)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33757", "CVE-2021-34460"], "modified": "2021-07-13T07:00:00", "id": "KB5004245", "href": "https://support.microsoft.com/en-us/help/5004245", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-23T19:31:02", "description": "None\n**IMPORTANT **Verify that you have installed the required updates listed in the **How to get this update** section _before_ installing this update. \n\nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2008 Service Pack 2 update history [home page](<https://support.microsoft.com/help/4343218>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4592498](<https://support.microsoft.com/help/4592498>) (released December 8, 2020) and addresses the following issues:\n\n * Addresses a security bypass vulnerability that exists in the way the Printer Remote Procedure Call (RPC) binding handles authentication for the remote Winspool interface. For more information, see [KB4599464](<https://support.microsoft.com/help/4599464>).\n * Addresses a security vulnerability issue with HTTPS-based intranet servers. After you install this update, HTTPS-based intranet servers cannot leverage a user proxy to detect updates by default. Scans that use these servers will fail if the clients do not have a configured system proxy. \n \nIf you must leverage a user proxy, you must configure the behavior by using the Windows Update policy **Allow user proxy to be used as a fallback if detection using system proxy fails**. To make sure that the highest levels of security, additionally leverage Windows Server Update Services (WSUS) Transport Layer Security (TLS) certificate pinning on all devices. For more information, see [Changes to scans, improved security for Windows devices](<https://aka.ms/WSUS-scans-part2>). \n \n**Note** This change does not affect customers who use HTTP WSUS servers.\n * Addresses an issue in which a principal in a trusted Managed Identity for Application (MIT) realm does not obtain a Kerberos Service ticket from Active Directory domain controllers (DCs). This issue occurs after Windows Updates that contains [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 are installed and **PerfromTicketSignature** is configured to **1** or higher. Ticket acquisition fails with KRB_GENERIC_ERROR if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the **USER_NO_AUTH_DATA_REQUIRED** flag.\n * Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Fundamentals, Windows Cryptography, Windows Virtualization, and Windows Hybrid Storage Services.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer\u201d, and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## How to get this update\n\n**Before installing this update****IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends on January 14, 2020.For more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Prerequisite:**You must install the updates listed below and **_restart your device_** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The April 9, 2019 servicing stack update (SSU) ([KB4493730](<https://support.microsoft.com/help/4493730>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released October 8, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. The Extended Security Updates (ESU) Licensing Preparation Package ([KB4538484](<https://support.microsoft.com/help/4538484>)) or the Update for the Extended Security Updates (ESU) Licensing Preparation Package ([KB4575904](<https://support.microsoft.com/help/4575904>)). The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, Microsoft strongly recommends that you install the _latest _SSU ([KB4580971](<https://support.microsoft.com/help/4580971>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update if you are an ESU customer. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4598288>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2008 Service Pack 2**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4598288](<https://download.microsoft.com/download/9/8/0/980f60c3-10e1-40a3-baad-ae04e57bd3a2/4598288.csv>).\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-01-12T08:00:00", "type": "mskb", "title": "January 12, 2021\u2014KB4598288 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1701"], "modified": "2021-01-12T08:00:00", "id": "KB4598288", "href": "https://support.microsoft.com/en-us/help/4598288", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:33", "description": "None\n**NEW 8/5/21 \nEXPIRATION NOTICE****IMPORTANT **As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update. \n\n**UPDATED 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 10, version 1607 update history home page.\n\n## Highlights\n\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n * Updates to improve security when using Microsoft Office products.\n * Updates to improve security when Windows performs basic operations.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Allows administrators to use a Group Policy to enable Save Target As for users in Microsoft Edge IE Mode.\n * Allows you to restrict the JScript Scripting Engine to a process.\n * Address an issue that causes an application to stop working if the app uses a hook.\n * Addresses an issue that causes the Microsoft Management Console (MMC) Group Policy application to stop working when you are editing the Group Policy Security settings. The error message is, \u201cMMC cannot initialize the snap-in.\u201d\n * Addresses an issue with devices on which Credential Guard is enabled; if these devices use a Machine Bound certificate, authentication requests might fail. This occurs because Windows 2016 and Windows 2019 domain controllers add duplicate KeyID values to the **msDS-KeyCredentialLink** attribute of these devices.\n * Addresses an issue that might cause stop error 7E in **nfssvr.sys** on servers running the Network File System (NFS) service.\n * Addresses an issue with Remote Desktop Session Host (RDSH) connection brokers that prevents users from connecting to a Remote Desktop in collections. This issue occurs because of an access violation in **tssdis.exe**.\n * Addresses an issue that causes the Windows Management Instrumentation (WMI) Provider Host (**WmiPrvSE.exe**) to leak registry key handles when querying **Win32_RDCentralPublishedDeploymentSettings**.\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n * Addresses an issue that might cause Windows 10 devices that enable Credential Guard to fail authentication requests when they use the machine certificate.\n * Addresses an issue with incorrect Canonical Display Driver (CDD) buffer flushing, which degrades performance in Remote Desktop Protocol (RDP) Windows 2000 Display Driver Model (XDDM) scenarios. This issue affects applications that use graphics processing units (GPU) to operate, such as Microsoft Teams, Microsoft Office, and web browsers.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue in the future, make sure your applications or services run as a specific user or service account.\n * Addresses an issue with remote procedure call (RPC) runtime that might cause memory to leak. As a result, performance degrades, which causes high CPU usage, slowness, or resource depletion.\n * Security updates to the Microsoft Scripting Engine, the Microsoft Graphics Component, the Windows Wallet Service, Windows Fundamentals, the Windows Kernel, and Windows Virtualization.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing KB4467684, the cluster service may fail to start with the error \u201c2245 (NERR_PasswordTooShort)\u201d if the group policy \u201cMinimum Password Length\u201d is configured with greater than 14 characters.| Set the domain default \"Minimum Password Length\" policy to less than or equal to 14 characters.Microsoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the [Windows release health](<https://docs.microsoft.com/windows/release-information/status-windows-10-1607-and-windows-server-2016#1522msgdesc>) page. **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594441. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB4576750) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586830>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4586830](<https://download.microsoft.com/download/4/5/a/45ab9419-b92c-4a5f-812a-a9bcbff58398/4586830.csv>).\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586830 (OS Build 14393.4046) - EXPIRED", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17052"], "modified": "2020-11-10T08:00:00", "id": "KB4586830", "href": "https://support.microsoft.com/en-us/help/4586830", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:29", "description": "None\n**Important: **Verify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n\n**Important: **WSUS scan cab files will continue to be available for Windows Server 2008 SP2. If you have a subset of devices running this operating system without ESU, they might show as non-compliant in your patch management and compliance toolsets.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include: \n\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, and Windows Hybrid Cloud Networking.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer\u201d, and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001642. \n \n## How to get this update\n\n### Before installing this update\n\n**IMPORTANT** Customers who have purchased the [Extended Security Update (ESU)](<https://www.microsoft.com/en-us/cloud-platform/extended-security-updates>) for on-premises versions of this OS must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends on January 14, 2020.For more information on ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n\n### Prerequisite\n\nYou must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The April 9, 2019 servicing stack update (SSU) ([KB4493730](<https://support.microsoft.com/help/4493730>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released October 8, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. The Extended Security Updates (ESU) Licensing Preparation Package ([KB4538484](<https://support.microsoft.com/help/4538484>)) or the Update for the Extended Security Updates (ESU) Licensing Preparation Package ([KB4575904](<https://support.microsoft.com/help/4575904>)). The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, we strongly recommend that you install the latest SSU ([KB4580971](<https://support.microsoft.com/help/4580971>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5000800](<https://support.microsoft.com/help/5000800>)).\n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000856>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2008 Service Pack 2**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for cumulative update 5000856](<https://download.microsoft.com/download/5/d/4/5d4ab820-dbb3-46ab-bc55-096898eee7c6/5000856.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000856 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640"], "modified": "2021-03-09T08:00:00", "id": "KB5000856", "href": "https://support.microsoft.com/en-us/help/5000856", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:31", "description": "None\n**IMPORTANT** Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release).\n\n**NEW 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Corrects the DST start date for the Fiji Islands to December 20, 2020.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue going forward, make sure your applications or services run as a specific user or service account.\n * Security updates to Windows Graphics, Windows Silicon Platform, Windows Authentication, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Hybrid Storage Services, and Windows Remote Desktop.\nFor more information about the resolved security vulnerabilities, please refer to the [Security Update Guide](<https://portal.msrc.microsoft.com/security-guidance>).\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the [Windows release health](<https://docs.microsoft.com/windows/release-information/status-windows-server-2012#1522msgdesc>) page. **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594438. \n \n## How to get this update\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566426](<https://support.microsoft.com/help/4566426>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). \n\n**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB4586768](<https://support.microsoft.com/help/4586768>)).\n\n**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586808>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Update \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4586808](<https://download.microsoft.com/download/7/6/6/766e60b6-effb-432b-93ef-d280852cafe1/4586808.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586808 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17088"], "modified": "2020-11-10T08:00:00", "id": "KB4586808", "href": "https://support.microsoft.com/en-us/help/4586808", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:22", "description": "None\n**Important: **Verify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n\n**Important: **For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 7 SP1 and Windows Server 2008 R2 SP1 update history [home page](<https://support.microsoft.com/help/4009469>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4601347](<https://support.microsoft.com/help/4601347>) (released February 9, 2021) and addresses the following issues: \n\n * Addresses an elevation of privilege security vulnerability documented in [CVE-2021-1640](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1640>) related to print jobs submitted to \u201cFILE:\u201d ports. After installing Windows updates from March 9, 2021 and later, print jobs that are in a pending state before restarting the print spooler service or restarting the OS will remain in an error state. Manually delete the affected print jobs and resubmit them to the print queue when the print spooler service is online.\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, Windows UAC, Windows Hybrid Cloud Networking, and Windows Media.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website. \n\n## Known issues in this update\n\n**Symptom **| **Workaround ** \n---|--- \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer,\u201d and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following: \n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001639. \n \n## How to get this update\n\n### Before installing this update\n\n**IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends. Extended support ends as follows:\n\n * For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020.\n * For Windows Embedded Standard 7, extended support ends on October 13, 2020.\nFor more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Note** For Windows Embedded Standard 7, Windows Management Instrumentation (WMI) must be enabled to get updates from Windows Update or Windows Server Update Services.**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The March 12, 2019 servicing stack update (SSU) ([KB4490628](<https://support.microsoft.com/help/4490628>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. For Windows Thin PC, you must have the August 11, 2020 SSU ([KB4570673](<https://support.microsoft.com/help/4570673>)) or a later SSU installed to make sure you continue to get the extended security updates starting with the October 13, 2020 updates.\n 4. To get this security update, you must reinstall the \"Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4538483](<https://support.microsoft.com/help/4538483>)) or the \"Update for the Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4575903](<https://support.microsoft.com/help/4575903>)) even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/home.aspx>).\nAfter you install the items above, we strongly recommend that you install the latest SSU ([KB4592510](<https://support.microsoft.com/help/4592510>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).\n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update if you are an ESU customer. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000841>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows Thin PC**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for cumulative update 5000841](<https://download.microsoft.com/download/a/9/4/a94093b0-8c1e-47e5-80cc-fa4164b21087/5000841.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000841 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640"], "modified": "2021-03-09T08:00:00", "id": "KB5000841", "href": "https://support.microsoft.com/en-us/help/5000841", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:38:28", "description": "None\n**12/8/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385>). To view other notes and messages, see the Windows 10, version 1507 update history home page.\n\n## Highlights\n\n * Updates to improve security when Windows performs basic operations.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Addresses an issue that incorrectly renders some Enhanced Metafile Format (EMF) files. This issue occurs if you build the EMF files using third-party applications with **ExtCreatePen()** and **ExtCreateFontIndirect()**.\n * Adds Advanced Encryption Standard (AES) encryption protections for [CVE-2021-33757](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33757>). For more information, see KB5004605.\n * Security updates to Windows Apps, Windows Fundamentals, Windows User Account Control (UAC), Operating System Security, the Windows Kernel, the Microsoft Scripting Engine, the Windows HTML Platforms, the Windows MSHTML Platform, and Windows Graphics.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released July 13, 2021 on domain controllers (DCs) in your environment, printers, scanners, and multifunction devices that are not compliant with section 3.2.1 of [RFC 4556 spec](<https://www.ietf.org/rfc/rfc4556.txt>) might fail to print when using smart card (PIV) authentication.| For more information, see KB5005408. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB5001399) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nWindows Update for Business| Yes| None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5004249>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5004249](<https://download.microsoft.com/download/6/b/6/6b6f97dc-d674-4639-8db5-f94cf26520f3/5004249.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T07:00:00", "type": "mskb", "title": "July 13, 2021\u2014KB5004249 (OS Build 10240.19003)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33757", "CVE-2021-34459"], "modified": "2021-07-13T07:00:00", "id": "KB5004249", "href": "https://support.microsoft.com/en-us/help/5004249", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-06-23T19:31:22", "description": "None\n**Important: ** \n \nWindows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n**Important: ****March 9, 2021** \n \nAs part of the end of support for Adobe Flash, [KB4577586](<https://support.microsoft.com/help/4577586>) is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing [KB4577586](<https://support.microsoft.com/help/4577586>) will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall this update. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>)..\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include: \n\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, Windows UAC, Windows Hybrid Cloud Networking, Windows Graphics, and Windows Media.\nFor more information about the resolved security vulnerabilities, please refer to the [Security Update Guide](<https://portal.msrc.microsoft.com/security-guidance>).\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001641. \n \n## How to get this update\n\n### Before installing this update\n\nWe strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566426](<https://support.microsoft.com/help/4566426>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5000800](<https://support.microsoft.com/help/5000800>)).\n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000840>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Update \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for cumulative update 5000840](<https://download.microsoft.com/download/0/5/3/0536be84-b1cb-47be-8cae-267f984263e6/5000840.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000840 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640"], "modified": "2021-03-09T08:00:00", "id": "KB5000840", "href": "https://support.microsoft.com/en-us/help/5000840", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:56", "description": "None\n**IMPORTANT **Adobe Flash Player went out of support on December 31, 2020. For more information, see [Adobe Flash end of support on December 31, 2020](<https://docs.microsoft.com/en-us/lifecycle/announcements/adobe-flash-end-of-support#:~:text=Adobe%20will%20end%20support%20of,site%2Dby%2Dsite%20basis.>). Flash content will be blocked from running in Flash Player beginning January 12, 2021. For more information, see [Adobe Flash Player EOL General Information Page](<https://www.adobe.com/products/flashplayer/end-of-life.html>).\n\n**IMPORTANT** Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release).\n\nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4592484](<https://support.microsoft.com/help/4592484>) (released December 8, 2020) and addresses the following issues:\n\n * Addresses a security bypass vulnerability that exists in the way the Printer Remote Procedure Call (RPC) binding handles authentication for the remote Winspool interface. For more information, see [KB4599464](<https://support.microsoft.com/help/4599464>).\n * Addresses a security vulnerability issue with HTTPS-based intranet servers. After you install this update, HTTPS-based intranet servers cannot leverage a user proxy to detect updates by default. Scans that use these servers will fail if the clients do not have a configured system proxy. \n \nIf you must leverage a user proxy, you must configure the behavior by using the Windows Update policy **Allow user proxy to be used as a fallback if detection using system proxy fails**. To make sure that the highest levels of security, additionally leverage Windows Server Update Services (WSUS) Transport Layer Security (TLS) certificate pinning on all devices. For more information, see [Changes to scans, improved security for Windows devices](<https://aka.ms/WSUS-scans-part2>). \n \n**Note** This change does not affect customers who use HTTP WSUS servers.\n * Addresses an issue in which a principal in a trusted Managed Identity for Application (MIT) realm does not obtain a Kerberos Service ticket from Active Directory domain controllers (DCs). This issue occurs after Windows Updates that contains [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 are installed and **PerfromTicketSignature** is configured to **1** or higher. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the **USER_NO_AUTH_DATA_REQUIRED** flag.\n * Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Media, Windows Fundamentals, Windows Cryptography, and Windows Virtualization.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## How to get this update\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566425](<https://support.microsoft.com/help/4566425>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4598285>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for update 4598285](<https://download.microsoft.com/download/c/a/7/ca7841e4-9adc-45ad-9379-c9cb50f3dd0e/4598285.csv>). \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2021-01-12T08:00:00", "type": "mskb", "title": "January 12, 2021\u2014KB4598285 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1665"], "modified": "2021-01-12T08:00:00", "id": "KB4598285", "href": "https://support.microsoft.com/en-us/help/4598285", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:13", "description": "None\n**NEW 11/10/20 \nIMPORTANT** Because of minimal operations during the holidays and the upcoming Western new year, there won\u2019t be a preview release (known as a \u201cC\u201d release) for the month of December 2020. There will be a monthly security release (known as a \u201cB\u201d release) for December 2020. Normal monthly servicing for both B and C releases will resume in January 2021.\n\n**UPDATED 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 10, version 2004 update history home page.**Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n## Highlights\n\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n * Updates to improve security when using Microsoft Office products.\n * Updates to improve security when Windows performs basic operations.\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n\n## Improvements and fixes\n\n## \n\n__\n\nWindows 10, version 20H2\n\nThis security update includes quality improvements. Key changes include:\n\n * This build includes all the improvements from Windows 10, version 2004.\n * No additional issues were documented for this release.\n\n## \n\n__\n\nWindows 10, version 2004\n\n**Note **This release also contains updates for Microsoft HoloLens (OS Build 19041.1128) released November 10, 2020. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\nThis security update includes quality improvements. Key changes include:\n\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue in the future, make sure your applications or services run as a specific user or service account.\n * Security updates to the Microsoft Scripting Engine, Windows Input and Composition, Microsoft Graphics Component, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nUsers of the Microsoft Input Method Editor (IME) for Japanese or Chinese languages might experience issues when attempting various tasks. You might have issues with input, receive unexpected results, or might not be able to enter text.| All IME issues listed in KB4564002 were resolved in KB4586853. \nSystem and user certificates might be lost when updating a device from Windows 10, version 1809 or later to a later version of Windows 10. Devices will only be impacted if they have already installed any Latest cumulative update (LCU) released September 16, 2020 or later and then proceed to update to a later version of Windows 10 from media or an installation source which does not have an LCU released October 13, 2020 or later integrated. This primarily happens when managed devices are updated using outdated bundles or media through an update management tool such as Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. This might also happen when using outdated physical media or ISO images that do not have the latest updates integrated.**Note **Devices using Windows Update for Business or that connect directly to Windows Update are not impacted. Any device connecting to Windows Update should always receive the latest versions of the feature update, including the latest LCU, without any extra steps.| This issue is resolved in KB4592438. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the Windows release health page for [Windows Server, version 20H2](<https://docs.microsoft.com/windows/release-information/status-windows-10-20h2#1522msgdesc>) or [Windows Server, version 2004](<https://docs.microsoft.com/windows/release-information/status-windows-10-2004#1522msgdesc>) . **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594440. \nWhen using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters in an app that automatically allows the input of Furigana characters, you might not get the correct Furigana characters. You might need to enter the Furigana characters manually.**Note** The affected apps are using the **ImmGetCompositionString()** function.| This issue is resolved in KB5005101. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB4586864) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586781>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4586781](<https://download.microsoft.com/download/9/0/c/90c20c3f-2cae-4cbb-93ab-ef00942e46d2/4586781.csv>). **Note** Some files erroneously have \u201cNot applicable\u201d in the \u201cFile version\u201d column of the CSV file. This might lead to false positives or false negatives when using some third-party scan detection tools to validate the build.\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586781 (OS Builds 19041.630 and 19042.630)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17052"], "modified": "2020-11-10T08:00:00", "id": "KB4586781", "href": "https://support.microsoft.com/en-us/help/4586781", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:23", "description": "None\n**Important: ** \n \nWindows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n**Important: ****March 9, 2021** \n \nAs part of the end of support for Adobe Flash, [KB4577586](<https://support.microsoft.com/help/4577586>) is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4601348](<https://support.microsoft.com/help/4601348>) (released previous February 9, 2021) and addresses the following issues: \n\n * Addresses an elevation of privilege security vulnerability documented in [CVE-2021-1640](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1640>) related to print jobs submitted to \u201cFILE:\u201d ports. After installing Windows updates from March 9, 2021 and later, print jobs that are in a pending state before restarting the print spooler service or restarting the OS will remain in an error state. Manually delete the affected print jobs and resubmit them to the print queue when the print spooler service is online.\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, Windows UAC, Windows Hybrid Cloud Networking, Windows Graphics, and Windows Media.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001641. \n \n## How to get this update\n\n### Before installing this update\n\nWe strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566426](<https://support.microsoft.com/help/4566426>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/home.aspx>). \n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000847>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for update 5000847](<https://download.microsoft.com/download/4/2/e/42eb70ea-a2d4-40aa-8e15-2694b8dbf658/5000847.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000847 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640"], "modified": "2021-03-09T08:00:00", "id": "KB5000847", "href": "https://support.microsoft.com/en-us/help/5000847", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:33", "description": "None\n**IMPORTANT** Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release).\n\n**NEW 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4580347](<https://support.microsoft.com/help/4580347>) (released October 13, 2020) and addresses the following issues:\n\n * Corrects the DST start date for the Fiji Islands to December 20, 2020.\n * Allows administrators to enable \"Save target as\" through Group Policy for users in Microsoft Edge IE mode.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue going forward, make sure your applications or services run as a specific user or service account.\n * Security updates to Windows Graphics, Windows Silicon Platform, Windows Authentication, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Hybrid Storage Services, Windows Remote Desktop, and Microsoft Scripting Engine.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the [Windows release health](<https://docs.microsoft.com/windows/release-information/status-windows-8.1-and-windows-server-2012-r2#1522msgdesc>) page. **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in [KB4594439](<https://support.microsoft.com/help/4594439>). \n \n## How to get this update\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566425](<https://support.microsoft.com/help/4566425>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586845>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for update 4586845](<https://download.microsoft.com/download/3/9/b/39bf949e-bdf1-45bd-aa1d-0a7568d0e3f2/4586845.csv>). \n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586845 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17052"], "modified": "2020-11-10T08:00:00", "id": "KB4586845", "href": "https://support.microsoft.com/en-us/help/4586845", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:22", "description": "None\n**NEW 8/5/21 \nEXPIRATION NOTICE****IMPORTANT **As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update. \n\n**NEW 11/10/20 \nIMPORTANT** Because of minimal operations during the holidays and the upcoming Western new year, there won\u2019t be a preview release (known as a \u201cC\u201d release) for the month of December 2020. There will be a monthly security release (known as a \u201cB\u201d release) for December 2020. Normal monthly servicing for both B and C releases will resume in January 2021.\n\n**UPDATED 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 10, version 1903 update history home page.**Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n## Highlights\n\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n * Updates to improve security when using Microsoft Office products.\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n * Updates to improve security when Windows performs basic operations.\n\n## Improvements and fixes\n\n## \n\n__\n\nWindows 10, version 1909\n\nThis security update includes quality improvements. Key changes include:\n\n * This build includes all the improvements from Windows 10, version 1903.\n * No additional issues were documented for this release.\n\n## \n\n__\n\nWindows 10, version 1903\n\n**Note **This release also contains updates for Microsoft HoloLens (OS Build 18362.1085) released November 10, 2020. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\nThis security update includes quality improvements. Key changes include:\n\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n * Addresses an issue with the package frame launcher (PSF) that passes a malformed parameter to a shim.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue in the future, make sure your applications or services run as a specific user or service account.\n * Security updates to the Microsoft Scripting Engine, the Microsoft Graphics Component, Windows Input and Composition, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nSystem and user certificates might be lost when updating a device from Windows 10, version 1809 or later to a later version of Windows 10. Devices will only be impacted if they have already installed any Latest cumulative update (LCU) released September 16, 2020 or later and then proceed to update to a later version of Windows 10 from media or an installation source which does not have an LCU released October 13, 2020 or later integrated. This primarily happens when managed devices are updated using outdated bundles or media through an update management tool such as Windows Server Update Services (WSUS) or Microsoft Endpoint Configuration Manager. This might also happen when using outdated physical media or ISO images that do not have the latest updates integrated.**Note **Devices using Windows Update for Business or that connect directly to Windows Update are not impacted. Any device connecting to Windows Update should always receive the latest versions of the feature update, including the latest LCU, without any extra steps.| This issue is resolved in KB4592449. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the Windows release health page for [Windows Server, version 1909](<https://docs.microsoft.com/windows/release-information/status-windows-10-1909#1522msgdesc>) or [Windows Server, version 1903](<https://docs.microsoft.com/windows/release-information/status-windows-10-1903#1522msgdesc>). **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594443. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB4586863) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586786>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4586786](<https://download.microsoft.com/download/b/f/d/bfd14412-228d-4d32-9445-baa32275c0d5/4586786.csv>). **Note** Some files erroneously have \u201cNot applicable\u201d in the \u201cFile version\u201d column of the CSV file. This might lead to false positives or false negatives when using some third-party scan detection tools to validate the build.\n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586786 (OS Builds 18362.1198 and 18363.1198) - EXPIRED", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17052"], "modified": "2020-11-10T08:00:00", "id": "KB4586786", "href": "https://support.microsoft.com/en-us/help/4586786", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:54", "description": "None\n**IMPORTANT** Adobe Flash Player went out of support on December 31, 2020. For more information, see [Adobe Flash end of support on December 31, 2020](<https://docs.microsoft.com/en-us/lifecycle/announcements/adobe-flash-end-of-support#:~:text=Adobe%20will%20end%20support%20of,site%2Dby%2Dsite%20basis.>). Flash content will be blocked from running in Flash Player beginning January 12, 2021. For more information, see [Adobe Flash Player EOL General Information Page](<https://www.adobe.com/products/flashplayer/end-of-life.html>).\n\n**IMPORTANT** Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release).\n\nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4592468](<https://support.microsoft.com/help/4592468>) (released previous December 8, 2020) and addresses the following issues:\n\n * Addresses a security bypass vulnerability that exists in the way the Printer Remote Procedure Call (RPC) binding handles authentication for the remote Winspool interface. For more information, see [KB4599464](<https://support.microsoft.com/help/4599464>).\n * Addresses a security vulnerability issue with HTTPS-based intranet servers. After you install this update, HTTPS-based intranet servers cannot leverage a user proxy to detect updates by default. Scans that use these servers will fail if the clients do not have a configured system proxy. \n \nIf you must leverage a user proxy, you must configure the behavior by using the Windows Update policy **Allow user proxy to be used as a fallback if detection using system proxy fails**. To make sure that the highest levels of security, additionally leverage Windows Server Update Services (WSUS) Transport Layer Security (TLS) certificate pinning on all devices. For more information, see [Changes to scans, improved security for Windows devices](<https://aka.ms/WSUS-scans-part2>). \n \n**Note** This change does not affect customers who use HTTP WSUS servers.\n * Addresses an issue in which a principal in a trusted Managed Identity for Application (MIT) realm does not obtain a Kerberos Service ticket from Active Directory domain controllers (DCs). This issue occurs after Windows Updates that contains [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 are installed and **PerfromTicketSignature** is configured to **1** or higher. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the **USER_NO_AUTH_DATA_REQUIRED** flag.\n * Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Media, Windows Fundamentals, Windows Cryptography, Windows Virtualization, and Windows Hybrid Storage Services.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## How to get this update\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566426](<https://support.microsoft.com/help/4566426>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4598278>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for update 4598278](<https://download.microsoft.com/download/2/c/c/2cc78328-eccd-4783-9752-db07d15856f6/4598278.csv>). \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2021-01-12T08:00:00", "type": "mskb", "title": "January 12, 2021\u2014KB4598278 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1665"], "modified": "2021-01-12T08:00:00", "id": "KB4598278", "href": "https://support.microsoft.com/en-us/help/4598278", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:22", "description": "None\n**NEW 8/5/21 \nEXPIRATION NOTICE****IMPORTANT **As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update. \n\n**NEW 11/10/20 \nIMPORTANT** Because of minimal operations during the holidays and the upcoming Western new year, there won\u2019t be a preview release (known as a \u201cC\u201d release) for the month of December 2020. There will be a monthly security release (known as a \u201cB\u201d release) for December 2020. Normal monthly servicing for both B and C releases will resume in January 2021.\n\n**Note **This release also contains updates for Microsoft HoloLens (OS Build 17763.1577) released November 10, 2020. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\n**UPDATED 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/en-us/help/824684/description-of-the-standard-terminology-that-is-used-to-describe-micro>). To view other notes and messages, see the Windows 10, version 1809 update history home page.\n\n## Highlights\n\n * Updates to improve security when using Microsoft Office products.\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n * Updates to improve security when Windows performs basic operations.\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue in the future, make sure your applications or services run as a specific user or service account.\n * Security updates to the Microsoft Scripting Engine, Microsoft Graphics Component, Windows Input and Composition, the Windows Wallet Service, Windows Fundamentals, and the Windows Kernel.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing KB4493509, devices with some Asian language packs installed may receive the error, \"0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND.\"| \n\n 1. Uninstall and reinstall any recently added language packs. For instructions, see Manage the input and display language settings in Windows 10.\n 2. Select **Check for Updates** and install the April 2019 Cumulative Update. For instructions, see Update Windows 10.\n**Note** If reinstalling the language pack does not mitigate the issue, reset your PC as follows:\n\n 1. Go to the **Settings **app > **Recovery**.\n 2. Select **Get Started** under the **Reset this PC** recovery option.\n 3. Select **Keep my Files**.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the [Windows release health](<https://docs.microsoft.com/windows/release-information/status-windows-10-1809-and-windows-server-2019#1522msgdesc>) page. **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594442. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB4587735) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586793>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4586793](<https://download.microsoft.com/download/a/e/e/aeef4e7a-b08d-4da9-b19f-62054aca9811/4586793.csv>).**Note** Some files erroneously have \u201cNot applicable\u201d in the \u201cFile version\u201d column of the CSV file. This might lead to false positives or false negatives when using some third-party scan detection tools to validate the build.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586793 (OS Build 17763.1577) - EXPIRED", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17087"], "modified": "2020-11-10T08:00:00", "id": "KB4586793", "href": "https://support.microsoft.com/en-us/help/4586793", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:41:12", "description": "None\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Input and Composition, Windows Management, the Windows Cloud Infrastructure, Windows Fundamentals, Windows Authentication, the Windows Kernel, Windows Remote Desktop, and Windows Storage and Filesystems.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.\n\n## How to get this update \n\n### Before installing this update \n\nMicrosoft now combines the latest servicing stack update (SSU) for your operating system with the hotpatch update. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update or Windows Server Update Services (WSUS), the latest SSU will be installed with this update.\n\n### Install this update\n\nRelease Channel| Available| Next Step \n---|---|--- \nWindows Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| No| To get the standalone package for this update, go to the Microsoft Update Catalog website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure Products and Classifications as follows:Product: Windows Server 2022 Datacenter: Azure Edition HotpatchClassification: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for cumulative update 5014677](<https://download.microsoft.com/download/b/1/a/b1ac4197-b142-41d2-b4c3-a545322bf8c6/5014678.csv>).For a list of the files that are provided in the servicing stack update, download the [file information for the SSU - version 20348.770](<https://download.microsoft.com/download/3/f/c/3fca8074-15f9-418b-9561-0f5f1e6798cb/SSU_version_20348_733.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-06-14T07:00:00", "type": "mskb", "title": "June 14, 2022\u2014 KB5014677 (OS Build 20348.770)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2022-30166"], "modified": "2022-06-14T07:00:00", "id": "KB5014677", "href": "https://support.microsoft.com/en-us/help/5014677", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:24", "description": "None\n**Important: **Verify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n\n**Important: **For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 7 SP1 and Windows Server 2008 R2 SP1 update history [home page](<https://support.microsoft.com/help/4009469>).\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include: \n\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, Windows UAC, Windows Hybrid Cloud Networking, and Windows Media.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer,\u201d and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001639. \n \n## How to get this update\n\n### Before installing this update\n\n**IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends. Extended support ends as follows:\n\n * For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020.\n * For Windows Embedded Standard 7, extended support ends on October 13, 2020.\nFor more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Note** For Windows Embedded Standard 7, Windows Management Instrumentation (WMI) must be enabled to get updates from Windows Update or Windows Server Update Services.**Prerequisite:**You must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The March 12, 2019 servicing stack update (SSU) ([KB4490628](<https://support.microsoft.com/help/4490628>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. For Windows Thin PC, you must have the August 11, 2020 SSU ([KB4570673](<https://support.microsoft.com/help/4570673>)) or a later SSU installed to make sure you continue to get the extended security updates starting with the October 13, 2020 updates.\n 4. To get this security update, you must reinstall the \"Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4538483](<https://support.microsoft.com/help/4538483>)) or the \"Update for the Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4575903](<https://support.microsoft.com/help/4575903>)) even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, Microsoft strongly recommends that you install the latest SSU ([KB4592510](<https://support.microsoft.com/help/4592510>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5000800](<https://support.microsoft.com/help/5000800>)).\n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000851>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows Thin PC**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for cumulative update 5000851](<https://download.microsoft.com/download/1/d/3/1d339bad-54f6-42de-a6ff-54d21c6fbdf3/5000851.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000851 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640"], "modified": "2021-03-09T08:00:00", "id": "KB5000851", "href": "https://support.microsoft.com/en-us/help/5000851", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:32", "description": "None\n**IMPORTANT** Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release).\n\n**NEW 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Corrects the DST start date for the Fiji Islands to December 20, 2020.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue going forward, make sure your applications or services run as a specific user or service account.\n * Security updates to Windows Graphics, Windows Silicon Platform, Windows Authentication, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Hybrid Storage Services, and Windows Remote Desktop.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the [Windows release health](<https://docs.microsoft.com/windows/release-information/status-windows-8.1-and-windows-server-2012-r2#1522msgdesc>) page. **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594439. \n \n## How to get this update\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566425](<https://support.microsoft.com/help/4566425>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). \n\n**REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB4586768](<https://support.microsoft.com/help/4586768>)).\n\n**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586823>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for update 4586823](<https://download.microsoft.com/download/f/a/9/fa9ab938-dc38-44c6-84de-f5a964c3d8b2/4586823.csv>). \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586823 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17088"], "modified": "2020-11-10T08:00:00", "id": "KB4586823", "href": "https://support.microsoft.com/en-us/help/4586823", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:25", "description": "None\n**Important: ** \n \nWindows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n**Important: ****March 9, 2021** \n \nAs part of the end of support for Adobe Flash, [KB4577586](<https://support.microsoft.com/help/4577586>) is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing [KB4577586](<https://support.microsoft.com/help/4577586>) will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall this update. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include: \n\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, Windows UAC, Windows Hybrid Cloud Networking, Windows Media, and Windows Graphics.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001640. \n \n## How to get this update\n\n### Before installing this update\n\nWe strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566425](<https://support.microsoft.com/help/4566425>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **REMINDER** If you are using Security-only updates, you will also need to install all previous Security-only updates and the latest cumulative update for Internet Explorer ([KB5000800](<https://support.microsoft.com/help/5000800>)).\n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| No| See the other options below. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000853>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for update 5000853](<https://download.microsoft.com/download/c/6/6/c66f8597-5e15-4d1f-9aaf-55abbe41f1b0/5000853.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000853 (Security-only update)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640"], "modified": "2021-03-09T08:00:00", "id": "KB5000853", "href": "https://support.microsoft.com/en-us/help/5000853", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:55", "description": "None\n**IMPORTANT **Verify that you have installed the required updates listed in the **How to get this update** section _before_ installing this update. \n\n**NEW 11/10/20** \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 7 SP1 and Windows Server 2008 R2 SP1 update history [home page](<https://support.microsoft.com/help/4009469>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4592471](<https://support.microsoft.com/help/4592471>) (released December 8, 2020) and addresses the following issues:\n\n * Addresses a security bypass vulnerability that exists in the way the Printer Remote Procedure Call (RPC) binding handles authentication for the remote Winspool interface. For more information, see [KB4599464](<https://support.microsoft.com/help/4599464>).\n * Addresses a security vulnerability issue with HTTPS-based intranet servers. After you install this update, HTTPS-based intranet servers cannot leverage a user proxy to detect updates by default. Scans that use these servers will fail if the clients do not have a configured system proxy. \n \nIf you must leverage a user proxy, you must configure the behavior by using the Windows Update policy **Allow user proxy to be used as a fallback if detection using system proxy fails**. To make sure that the highest levels of security, additionally leverage Windows Server Update Services (WSUS) Transport Layer Security (TLS) certificate pinning on all devices. For more information, see [Changes to scans, improved security for Windows devices](<https://aka.ms/WSUS-scans-part2>). \n \n**Note** This change does not affect customers who use HTTP WSUS servers.\n * Addresses an issue in which a principal in a trusted Managed Identity for Application (MIT) realm does not obtain a Kerberos Service ticket from Active Directory domain controllers (DCs). This issue occurs after Windows Updates that contains [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 are installed and **PerfromTicketSignature** is configured to **1** or higher. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the **USER_NO_AUTH_DATA_REQUIRED** flag.\n * Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Media, Windows Fundamentals, Windows Cryptography, Windows Virtualization, and Windows Hybrid Storage Services.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom **| **Workaround ** \n---|--- \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer,\u201d and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following: \n\n * Perform the operation from a process that has administrator privilege. \n * Perform the operation from a node that doesn\u2019t have CSV ownership. \nMicrosoft is working on a resolution and will provide an update in an upcoming release. \n \n## How to get this update\n\n**Before installing this update****IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends. Extended support ends as follows:\n\n * For Windows 7 Service Pack 1 and Windows Server 2008 R2 Service Pack 1, extended support ends on January 14, 2020.\n * For Windows Embedded Standard 7, extended support ends on October 13, 2020.\nFor more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).**Note** For Windows Embedded Standard 7, Windows Management Instrumentation (WMI) must be enabled to get updates from Windows Update or Windows Server Update Services.**Prerequisite:**You must install the updates listed below and **_restart your device_** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The March 12, 2019 servicing stack update (SSU) ([KB4490628](<https://support.microsoft.com/help/4490628>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released September 10, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. For Windows Thin PC, you must have the August 11, 2020 SSU ([KB4570673](<https://support.microsoft.com/help/4570673>)) or a later SSU installed to make sure you continue to get the extended security updates starting with the October 13, 2020 updates.\n 4. To get this security update, you must reinstall the \"Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4538483](<https://support.microsoft.com/help/4538483>)) or the \"Update for the Extended Security Updates (ESU) Licensing Preparation Package\" ([KB4575903](<https://support.microsoft.com/help/4575903>)) even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter you install the items above, we strongly recommend that you install the _latest_ SSU ([KB4592510](<https://support.microsoft.com/help/4592510>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update if you are an ESU customer. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4598279>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows Thin PC**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4598279](<https://download.microsoft.com/download/d/e/f/defaf295-b1d8-43af-98ac-a3a9ddf08b8e/4598279.csv>).\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-01-12T08:00:00", "type": "mskb", "title": "January 12, 2021\u2014KB4598279 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1701"], "modified": "2021-01-12T08:00:00", "id": "KB4598279", "href": "https://support.microsoft.com/en-us/help/4598279", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:33", "description": "None\n**IMPORTANT** Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases (known as \"C\" or \"D\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release).\n\n**NEW 11/10/20** \nFor more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2012 update history [home page](<https://support.microsoft.com/help/4009471>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4580382](<https://support.microsoft.com/help/4580382>) (released October 13, 2020) and addresses the following issues:\n\n * Corrects the DST start date for the Fiji Islands to December 20, 2020.\n * Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, \u201cThe request is not supported.\u201d in event ID 372 in the PrintService\\Admin event log. To address this issue going forward, make sure your applications or services run as a specific user or service account.\n * Security updates to Windows Graphics, Windows Silicon Platform, Windows Authentication, Windows Core Networking, Windows Peripherals, Windows Network Security and Containers, Windows Hybrid Storage Services, and Windows Remote Desktop.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update on domain controllers (DCs) and read-only domain controllers (RODCs) in your environment, you might encounter Kerberos authentication and ticket renewal issues. This is caused by an issue in how [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17049>) was addressed in these updates.For specific symptoms and behaviors related to this issue, please see the [Windows release health](<https://docs.microsoft.com/windows/release-information/status-windows-server-2012#1522msgdesc>) page. **Note **This issue only affects Windows Servers, Windows 10 devices and applications in enterprise environments.| This issue is resolved in KB4594438. \n \n## How to get this update\n\n**Before installing this update**We strongly recommend that you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566426](<https://support.microsoft.com/help/4566426>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4586834>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2012, Windows Embedded 8 Standard**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for update 4586834](<https://download.microsoft.com/download/3/7/5/37555c0d-b338-4516-8c2d-e3cab16c2829/4586834.csv>). \n", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T08:00:00", "type": "mskb", "title": "November 10, 2020\u2014KB4586834 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2020-17052"], "modified": "2020-11-10T08:00:00", "id": "KB4586834", "href": "https://support.microsoft.com/en-us/help/4586834", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:30:52", "description": "None\n**NEW 8/5/21 \nEXPIRATION NOTICE****IMPORTANT **As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update. \n\n**UPDATED 1/12/21 \nREMINDER **Adobe Flash Player went out of support on December 31, 2020. For more information, see [Adobe Flash end of support on December 31, 2020](<https://docs.microsoft.com/en-us/lifecycle/announcements/adobe-flash-end-of-support#:~:text=Adobe%20will%20end%20support%20of,site%2Dby%2Dsite%20basis.>). Flash content will be blocked from running in Flash Player beginning January 12, 2021. For more information, see [Adobe Flash Player EOL General Information Page](<https://www.adobe.com/products/flashplayer/end-of-life.html>).\n\n**11/19/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-update-servicing-cadence/ba-p/222376>). To view other notes and messages, see the Windows 10, version 1607 update history home page.\n\n## Highlights\n\n * Updates to improve security when using Microsoft Office products.\n * Updates to improve security when using external devices, such as game controllers, printers, and web cameras.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Adds the ability to set a Group Policy to show only the domain and username when a user signs in.\n * Addresses an issue that delays authentication traffic because of Netlogon scalability issues.\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Addresses a security bypass vulnerability that exists in the way the Printer Remote Procedure Call (RPC) binding handles authentication for the remote Winspool interface. For more information, see KB4599464.\n * Addresses a security vulnerability issue with HTTPS-based intranet servers. After installing this update, HTTPS-based intranet servers cannot, by default, use a user proxy to detect updates. Scans using these servers will fail if you have not configured a system proxy on the clients. If you must use a user proxy, you must configure the behavior using the policy \u201cAllow user proxy to be used as a fallback if detection using system proxy fails.\u201d To ensure the highest levels of security, also use Windows Server Update Services (WSUS) Transport Layer Security (TLS) certificate pinning on all devices. This change does not affect customers who are using HTTP WSUS servers. For more information, see [Changes to scans, improved security for Windows devices](<https://aka.ms/WSUS-scans-part2>).\n * Addresses an issue in the Remote Desktop Protocol (RDP) redirector (**rdpdr.sys**) that causes a stop error.\n * Security updates to the Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Fundamentals, Windows Cryptography, Windows Virtualization, Windows Peripherals, and Windows Hybrid Storage Services.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing KB4467684, the cluster service may fail to start with the error \u201c2245 (NERR_PasswordTooShort)\u201d if the group policy \u201cMinimum Password Length\u201d is configured with greater than 14 characters.| This issue is resolved in KB4601318. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB4576750) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB4598243>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4598243](<https://download.microsoft.com/download/a/9/c/a9cc5807-bbe4-4aad-bb18-14455a62ae38/4598243.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-01-12T08:00:00", "type": "mskb", "title": "January 12, 2021\u2014KB4598243 (OS Build 14393.4169) - EXPIRED", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1655"], "modified": "2021-01-12T08:00:00", "id": "KB4598243", "href": "https://support.microsoft.com/en-us/help/4598243", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:20", "description": "None\n**NEW 3/9/21** \n**IMPORTANT **As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n**11/19/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-update-servicing-cadence/ba-p/222376>). To view other notes and messages, see the Windows 10, version 1607 update history home page. \n\n## Highlights\n\n * Updates security for the Windows user interface.\n * Updates to improve security when Windows performs basic operations.\n * Updates to improve security when using Microsoft Office products.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Turns off token binding by default in Windows Internet (WinINet).\n * Addresses an issue in the Windows Management Instrumentation (WMI) service that causes a heap leak each time security settings are applied to WMI namespace permissions.\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Addresses an elevation of privilege security vulnerability documented in [CVE-2021-1640](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1640>) related to print jobs submitted to \u201cFILE:\u201d ports. After installing Windows updates from March 9, 2021 and later, print jobs that are in a pending state before restarting the print spooler service or restarting the OS will remain in an error state. Manually delete the affected print jobs and resubmit them to the print queue when the print spooler service is online. \n * Addresses a reliability issue in Remote Desktop.\n * Addresses an issue that might cause stop error 7E in **nfssvr.sys** on servers running the Network File System (NFS) service.\n * Addresses an issue that excessively logs DfsSvc Event 14554 in the System event log by default once every hour for each DFS Namespace (DFSN). This update adds a new registry key, RootShareAcquireSuccessEvent, to enable or disable Event 14554.Keypath: HKEY_LOCAL_MACHINE/L\"System\\CurrentControlSet\\Services\\Dfs\\Parameters\"Default value = 0If RootShareAcquireSuccessEvent is not 0 or is not present = Enable log.If RootShareAcquireSuccessEvent is 0 = Disable log.Whenever you change RootShareAcquireSuccessEvent, you must restart the DFSN service.\n * Addresses an issue that causes an increase in network traffic during update detection for Windows Updates. This issue occurs on devices that are configured to use an authenticated user proxy as the fallback method if update detection with a system proxy fails or there is no proxy.\n * Security updates to the Windows Shell, Windows User Account Control (UAC), Windows Fundamentals, Windows Core Networking, Windows Hybrid Cloud Networking, Windows Kernel, Windows Virtualization, the Microsoft Graphics Component, Internet Explorer, Microsoft Edge Legacy, and Windows Media.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing updates released March 9, 2021 or March 15, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001633. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB5001078) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000803>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5000803](<https://download.microsoft.com/download/7/5/6/756f589c-b505-4341-b064-3f5e93f08aee/5000803.csv>). \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000803 (OS Build 14393.4283)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640", "CVE-2021-26411"], "modified": "2021-03-09T08:00:00", "id": "KB5000803", "href": "https://support.microsoft.com/en-us/help/5000803", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:24", "description": "None\n**Important: ** \n \nWindows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases (known as \"C\" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the \"B\" or Update Tuesday release). \n \nFor information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows 8.1 and Windows Server 2012 R2 update history [home page](<https://support.microsoft.com/help/4009470>).\n\n**Important: ****March 9, 2021** \nAs part of the end of support for Adobe Flash, [KB4577586](<https://support.microsoft.com/help/4577586>) is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586[ ](<https://support.microsoft.com/help/4577586>). For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4601384](<https://support.microsoft.com/help/4601384>) (released February 9, 2021) and addresses the following issues:\n\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Addresses an elevation of privilege security vulnerability documented in [CVE-2021-1640](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1640>) related to print jobs submitted to \u201cFILE:\u201d ports. After installing Windows updates from March 9, 2021 and later, print jobs that are in a pending state before restarting the print spooler service or restarting the OS will remain in an error state. Manually delete the affected print jobs and resubmit them to the print queue when the print spooler service is online.\n * Security updates to Windows Fundamentals, Windows Shell, Windows UAC, Windows Hybrid Cloud Networking, Windows Media, and Windows Graphics.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001640. \n \n## How to get this update\n\n### Before installing this update\n\nWe strongly recommend that you install the latest servicing stack update (SSU) for your operating system before you install the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).If you use Windows Update, the latest SSU ([KB4566425](<https://support.microsoft.com/help/4566425>)) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). \n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000848>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 8.1, Windows Server 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for update 5000848](<https://download.microsoft.com/download/0/0/3/0036604e-4a48-4a7e-a819-1a9c3657f829/5000848.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000848 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640", "CVE-2021-26411"], "modified": "2021-03-09T08:00:00", "id": "KB5000848", "href": "https://support.microsoft.com/en-us/help/5000848", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:22", "description": "None\n**Important: **Verify that** **you have installed the required updates listed in the **How to get this update** section before installing this update. \n\n**Important: **For information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following [article](<https://support.microsoft.com/help/824684>). To view other notes and messages, see the Windows Server 2008 Service Pack 2 update history [home page](<https://support.microsoft.com/help/4343218>).\n\n## Improvements and fixes\n\nThis security update includes improvements and fixes that were a part of update [KB4601360](<https://support.microsoft.com/help/4601360>) (released February 9, 2021) and addresses the following issues: \n\n * Addresses an elevation of privilege security vulnerability documented in [CVE-2021-1640](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-1640>) related to print jobs submitted to \u201cFILE:\u201d ports. After installing Windows updates from March 9, 2021 and later, print jobs that are in a pending state before restarting the print spooler service or restarting the OS will remain in an error state. Manually delete the affected print jobs and resubmit them to the print queue when the print spooler service is online.\n * Addresses an issue in which a non-native device that is in the same realm does not receive a Kerberos Service ticket from Active Directory DCs. This issue occurs even though Windows Updates are installed that contain [CVE-2020-17049](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17049>) protections released between November 10 and December 8, 2020 and configured **PerfromTicketSignature** to **1** or larger. Ticket acquisition fails with **KRB_GENERIC_ERROR** if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without the **USER_NO_AUTH_DATA_REQUIRED** flag being set for the user in User Account Controls.\n * Security updates to Windows Fundamentals, Windows Shell, and Windows Hybrid Cloud Networking.\nFor more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing this update and restarting your device, you might receive the error, \u201cFailure to configure Windows updates. Reverting Changes. Do not turn off your computer\u201d, and the update might show as **Failed** in **Update History**.| This is expected in the following circumstances:\n\n * If you are installing this update on a device that is running an edition that is not supported for ESU. For a complete list of which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n * If you do not have an ESU MAK add-on key installed and activated.\nIf you have purchased an ESU key and have encountered this issue, please verify you have applied all prerequisites and that your key is activated. For information on activation, please see this [blog](<https://aka.ms/Windows7ESU>) post. For information on the prerequisites, see the \"How to get this update\" section of this article. \nCertain operations, such as **rename**, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, \u201cSTATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\u201d. This occurs when you perform the operation on a CSV owner node from a process that doesn\u2019t have administrator privilege.| Do one of the following:\n\n * Perform the operation from a process that has administrator privilege.\n * Perform the operation from a node that doesn\u2019t have CSV ownership.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing updates released March 9, 2021, you might get unexpected results when printing from some apps. Issues might include:\n\n * Elements of the document might print as solid black/color boxes or might be missing, including barcodes, QR codes, and graphics elements, such as logos.\n * Table lines might be missing. Other alignment or formatting issues might also be present.\n * Printing from some apps or to some printers might result in a blank page or label.\n| This issue is resolved in KB5001642. \n \n## How to get this update\n\n### Before installing this update\n\n**IMPORTANT** Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in [KB4522133](<https://support.microsoft.com/help/4522133>) to continue receiving security updates after extended support ends on January 14, 2020.For more information about ESU and which editions are supported, see [KB4497181](<https://support.microsoft.com/help/4497181>).\n\n### **Prerequisite**\n\nYou must install the updates listed below and **restart your device** before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.\n\n 1. The April 9, 2019 servicing stack update (SSU) ([KB4493730](<https://support.microsoft.com/help/4493730>)). To get the standalone package for this SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). This update is required to install updates that are only SHA-2 signed.\n 2. The latest SHA-2 update ([KB4474419](<https://support.microsoft.com/help/4474419>)) released October 8, 2019. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see [2019 SHA-2 Code Signing Support requirement for Windows and WSUS](<https://support.microsoft.com/help/4472027>).\n 3. The Extended Security Updates (ESU) Licensing Preparation Package ([KB4538484](<https://support.microsoft.com/help/4538484>)) or the Update for the Extended Security Updates (ESU) Licensing Preparation Package ([KB4575904](<https://support.microsoft.com/help/4575904>)). The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).\nAfter installing the items above, Microsoft strongly recommends that you install the latest SSU ([KB4580971](<https://support.microsoft.com/help/4580971>)). If you are using Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/help/4535697>).\n\n### Install this update\n\n**Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update if you are an ESU customer. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5000844>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows Server 2008 Service Pack 2**Classification**: Security Updates \n \n## File information\n\nFor a list of the files that are provided in this update, download the [file information for cumulative update 5000844](<https://download.microsoft.com/download/b/4/c/b4ca9728-4c2d-46fd-b3b9-769235c4305a/5000844.csv>).\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-03-09T08:00:00", "type": "mskb", "title": "March 9, 2021\u2014KB5000844 (Monthly Rollup)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-1640", "CVE-2021-26411"], "modified": "2021-03-09T08:00:00", "id": "KB5000844", "href": "https://support.microsoft.com/en-us/help/5000844", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:34", "description": "None\n**3/9/21** \n**IMPORTANT **As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n**11/19/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-update-servicing-cadence/ba-p/222376>). To view other notes and messages, see the Windows 10, version 1607 update history home page. \n\n## Highlights\n\n * Updates to improve security when Windows performs basic operations.\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Updates the default values for the following Internet Explorer registry keys:\n * svcKBFWLink = \u201c \u201d (string with one empty space)\n * svcKBNumber = \u201c \u201d (string with one empty space)\n * svcUpdateVersion = 11.0.1000.\nIn addition, these values will no longer be updated automatically. \n * Address an issue that causes a system to stop working occasionally when users sign out or disconnect from remote sessions.\n * Addresses an issue with a heap leak that might cause **explorer.exe** to consume high amounts of memory.\n * Updates the Volgograd, Russia time zone from UTC+4 to UTC+3.\n * Adds a new time zone, UTC+2:00 Juba, for the Republic of South Sudan.\n * Addresses a race condition that causes PowerShell to stop working periodically and generates an Access Violation error. This issue occurs when you enable transcription on the system and run multiple PowerShell scripts simultaneously.\n * Addresses an issue that causes the sleep time defined in HKLM\\Software\\Microsoft\\AppV\\MAV\\Configuration\\MaxAttachWaitTimeInMilliseconds to be shorter than intended.\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Addresses an issue with high memory usage when performing XSLT transforms using MSXLM6.\n * Addresses an issue in **spaceport.sys** that might cause stop error 0x7E.\n * Addresses an issue with evaluating the compatibility status of the Windows ecosystem to help ensure application and device compatibility for all updates to Windows.\n * Addresses an issue with security vulnerabilities identified by a security researcher. Because of these security vulnerabilities, this and all future Windows updates will no longer contain the [RemoteFX vGPU](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploy-graphics-devices-using-remotefx-vgpu>) feature. For more information about the vulnerability and its removal, see [CVE-2020-1036](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-1036>) and [KB4570006](<https://support.microsoft.com/en-us/topic/update-to-disable-and-remove-the-remotefx-vgpu-component-in-windows-bbdf1531-7188-2bf4-0de6-641de79f09d2>). Secure vGPU alternatives are available using [Discrete Device Assignment (DDA)](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploying-graphics-devices-using-dda>) in Windows Server LTSC releases (Windows Server 2016 and Windows Server 2019) and Windows Server SAC releases (Windows Server, version 1803 and later versions).\n * Addresses an issue that prevents you from specifying up to 255 columns when you use the Jet Text installable indexed sequential access method (IISAM) format.\n * Addresses an issue that causes Windows Back up using File History to stop working for a few users. This issue occurs after installing the February 9, 2021 update. The error message is, \u201cFailed to start the backup of user links (error 8007005)\u201d.\n * Security updates to Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows AI Platform, Windows Hybrid Cloud Networking, the Windows Kernel, and Windows Media.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\nMicrosoft is not currently aware of any issues with this update.\n\n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB5001402) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>). **Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5001347>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5001347](<https://download.microsoft.com/download/7/9/c/79cff94b-821b-4d24-ad68-5d2fb469aeb4/5001347.csv>). \n", "cvss3": {"exploitabilityScore": 2.3, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 9.0, "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-04-13T07:00:00", "type": "mskb", "title": "April 13, 2021\u2014KB5001347 (OS Build 14393.4350)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1036", "CVE-2020-17049", "CVE-2021-28318"], "modified": "2021-04-13T07:00:00", "id": "KB5001347", "href": "https://support.microsoft.com/en-us/help/5001347", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:32", "description": "None\n**NEW 4/13/21** \n**IMPORTANT **Windows 10, version 1909 will reach end of service on May 11, 2021 for devices running the Home, Pro, Pro for Workstation, Nano Container, and Server SAC editions. After May 11, 2021, these devices will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.We will continue to service the following editions: Enterprise, Education, and IoT Enterprise.\n\n**NEW 4/13/21 \nREMINDER **Microsoft removed the Microsoft Edge Legacy desktop application that is out of support in March 2021. In this April 13, 2021 release, we will install the new Microsoft Edge. For more information, see [New Microsoft Edge to replace Microsoft Edge Legacy with April\u2019s Windows 10 Update Tuesday release](<https://aka.ms/EdgeLegacyEOS>).\n\n**2/16/21** \n**IMPORTANT **As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n**12/8/20 \nREMINDER **Windows 10, version 1903 reached end of servicing on December 8, 2020. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10. If you want to update to Windows 10, version 1909, you must use the Enablement Package KB4517245 (EKB). Using the EKB makes updating faster and easier and requires a single restart. For more information, see [Windows 10, version 1909 delivery options](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-version-1909-delivery-options/ba-p/1002660>).\n\n**11/19/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-update-servicing-cadence/ba-p/222376>). To view other notes and messages, see the Windows 10, version 1909 update history home page.**Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n**Note **This release also contains updates for Microsoft HoloLens (OS Build 18363.1108) released April 13, 2021. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\n## Highlights\n\n * Updates to improve security when Windows performs basic operations.\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n\n## Improvements and fixes\n\nThis security update includes quality improvements. Key changes include:\n\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Addresses an issue with security vulnerabilities identified by a security researcher. Because of these security vulnerabilities, this and all future Windows updates will no longer contain the [RemoteFX vGPU](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploy-graphics-devices-using-remotefx-vgpu>) feature. For more information about the vulnerability and its removal, see [CVE-2020-1036](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-1036>) and [KB4570006](<https://support.microsoft.com/en-us/topic/update-to-disable-and-remove-the-remotefx-vgpu-component-in-windows-bbdf1531-7188-2bf4-0de6-641de79f09d2>). Secure vGPU alternatives are available using [Discrete Device Assignment (DDA)](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploying-graphics-devices-using-dda>) in Windows Server LTSC releases (Windows Server 2016 and Windows Server 2019) and Windows Server SAC releases (Windows Server, version 1803 and later versions).\n * Addresses a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing from the third-party endpoints used for federated authentication. For more information, see [CVE-2021-27092](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27092>) and [Policy CSP - Authentication](<https://docs.microsoft.com/en-us/windows/client-management/mdm/policy-csp-authentication#authentication-enablewebsignin>).\n * Addresses an issue that causes Windows Back up using File History to stop working for a few users. This issue occurs after installing the February 9, 2021 update. The error message is, \u201cFailed to start the backup of user links (error 8007005)\u201d.\n * Security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows Cryptography, the Windows AI Platform, Windows Hybrid Cloud Networking, the Windows Kernel, Windows Virtualization, and Windows Media.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nScroll bar controls might appear blank on the screen and not function after installing this update. This issue affects 32-bit applications running on 64-bit Windows 10 (WOW64) that create scroll bars using a [superclass](<https://docs.microsoft.com/en-us/windows/win32/winmsg/about-window-procedures#window-procedure-superclassing>) of the **USER32.DLL SCROLLBAR** window class. This issue also affects **HScrollBar** and **VScrollBar** controls that are used in Visual Basic 6 applications and the classes derived from **[System.Windows.Forms.ScrollBar](<https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.scrollbar?view=net-5.0>)** that are used in .NET Windows Forms applications. A memory usage increase of up to 4 GB might occur in 64-bit applications when you create a scroll bar control.Scroll bars you create using the **SCROLLBAR** window class or using the WS_HSCROLL and WS_VSCROLL window styles function normally. Applications that use the scroll bar control that is implemented in **COMCTL32.DLL** version 6 are not affected. This includes .NET Windows Forms applications that call **Application.EnableVisualStyles()**.| This issue is resolved in KB5003169. \n \n## How to get this update\n\n**Before installing this update**Prerequisite:You **must **install the April 13, 2021 servicing stack update (SSU) (KB5001406) or later before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5001337>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5001337](<https://download.microsoft.com/download/e/1/0/e10a6884-2e7a-4d80-ac2f-884c39a2a1b2/5001337.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-04-13T07:00:00", "type": "mskb", "title": "April 13, 2021\u2014KB5001337 (OS Build 18363.1500)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1036", "CVE-2020-17049", "CVE-2021-27092", "CVE-2021-28434"], "modified": "2021-04-13T07:00:00", "id": "KB5001337", "href": "https://support.microsoft.com/en-us/help/5001337", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:33", "description": "None\n**NEW 4/13/21 \nIMPORTANT **Windows 10, version 1809 will reach end of service on May 11, 2021 for devices running the Enterprise, Education, and IoT Enterprise editions. After May 11, 2021, these devices will no longer receive monthly security and quality updates that contain protection from the latest security threats. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10.We will continue to service the following editions: Enterprise G, HoloLens, and the LTSC editions for Client, Server, and IoT.\n\n**2/16/21** \n**IMPORTANT **As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n**11/17/20** \nFor information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-update-servicing-cadence/ba-p/222376>). To view other notes and messages, see the Windows 10, version 1809 update history home page.\n\n**Note **This release also contains updates for Microsoft HoloLens (OS Build 17763.1879) released April 13, 2021. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\n## Highlights\n\n * Updates to improve security when Windows performs basic operations.\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n\n## Improvements and fixes\n\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Addresses an issue with security vulnerabilities identified by a security researcher. Because of these security vulnerabilities, this and all future Windows updates will no longer contain the [RemoteFX vGPU](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploy-graphics-devices-using-remotefx-vgpu>) feature. For more information about the vulnerability and its removal, see [CVE-2020-1036](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-1036>) and [KB4570006](<https://support.microsoft.com/en-us/topic/update-to-disable-and-remove-the-remotefx-vgpu-component-in-windows-bbdf1531-7188-2bf4-0de6-641de79f09d2>). Secure vGPU alternatives are available using [Discrete Device Assignment (DDA)](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploying-graphics-devices-using-dda>) in Windows Server LTSC releases (Windows Server 2016 and Windows Server 2019) and Windows Server SAC releases (Windows Server, version 1803 and later versions).\n * Addresses a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing from the third-party endpoints used for federated authentication. For more information, see [CVE-2021-27092](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27092>) and [Policy CSP - Authentication](<https://docs.microsoft.com/en-us/windows/client-management/mdm/policy-csp-authentication#authentication-enablewebsignin>).\n * Addresses an issue that causes Windows Back up using File History to stop working for a few users. This issue occurs after installing the February 9, 2021 update. The error message is, \u201cFailed to start the backup of user links (error 8007005)\u201d.\n * Security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows Cryptography, the Windows AI Platform, Windows Hybrid Cloud Networking, the Windows Kernel, Windows Virtualization, and Windows Media.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nAfter installing KB4493509, devices with some Asian language packs installed may receive the error, \"0x800f0982 - PSFX_E_MATCHING_COMPONENT_NOT_FOUND.\"| \n\n 1. Uninstall and reinstall any recently added language packs. For instructions, see Manage the input and display language settings in Windows 10.\n 2. Select **Check for Updates** and install the April 2019 Cumulative Update. For instructions, see Update Windows 10.\n**Note** If reinstalling the language pack does not mitigate the issue, reset your PC as follows:\n\n 1. Go to the **Settings **app > **Recovery**.\n 2. Select **Get Started** under the **Reset this PC** recovery option.\n 3. Select **Keep my Files**.\nMicrosoft is working on a resolution and will provide an update in an upcoming release. \nAfter installing this update, the Cluster Service might fail to start because a Cluster Network Driver is not found.| This issue occurs because of an update to the PnP class drivers used by this service. After about 20 minutes, you should be able to restart your device and not encounter this issue. \nFor more information about the specific errors, cause, and workaround for this issue, please see KB5003571. \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.If you are using Windows Update, the latest SSU (KB5001404) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5001342>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10**Classification**: Security Updates \n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5001342](<https://download.microsoft.com/download/4/c/2/4c2f5eb9-b102-4c92-a81a-90c58b1eb485/5001342.csv>).\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-04-13T07:00:00", "type": "mskb", "title": "April 13, 2021\u2014KB5001342 (OS Build 17763.1879)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1036", "CVE-2020-17049", "CVE-2021-27092", "CVE-2021-28318"], "modified": "2021-04-13T07:00:00", "id": "KB5001342", "href": "https://support.microsoft.com/en-us/help/5001342", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-06-23T19:31:31", "description": "None\n**NEW 4/13/21 \nREMINDER **Microsoft removed the Microsoft Edge Legacy desktop application that is out of support in March 2021. In this April 13, 2021 release, we will install the new Microsoft Edge. For more information, see [New Microsoft Edge to replace Microsoft Edge Legacy with April\u2019s Windows 10 Update Tuesday release](<https://aka.ms/EdgeLegacyEOS>).\n\n**2/24/21** \n**IMPORTANT **As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft\u2019s plans, see [Update on Adobe Flash Player End of Support](<https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support>).\n\n**11/17/20**For information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/en-us/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-10-update-servicing-cadence/ba-p/222376>). To view other notes and messages, see the Windows 10, version 2004 update history [home page](<https://support.microsoft.com/en-us/help/4555932>).**Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n## Highlights\n\n * Updates to improve security when Windows performs basic operations.\n * Updates to improve security when using input devices such as a mouse, keyboard, or pen.\n\n## Improvements and fixes\n\n**Note **To view the list of addressed issues, click or tap the OS name to expand the collapsible section.\n\n### \n\n__\n\nWindows 10 servicing stack update - 19041.925 and 19042.925 \n\n * This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.\n\n### \n\n__\n\nWindows 10, version 20H2\n\nThis security update includes quality improvements. Key changes include:\n\n * This build includes all the improvements from Windows 10, version 2004.\n * No additional issues were documented for this release.\n\n### \n\n__\n\nWindows 10, version 2004\n\n**Note: **This release also contains updates for Microsoft HoloLens (OS Build 19041.1144) released April 13, 2021. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\nThis security update includes quality improvements. Key changes include:\n\n * Addresses an issue in which a principal in a trusted MIT realm fails to obtain a Kerberos service ticket from Active Directory domain controllers (DC). This occurs on devices that installed Windows Updates that contain CVE-2020-17049 protections and configured PerfromTicketSignature to 1 or higher. These updates were released between November 10, 2020 and December 8, 2020. Ticket acquisition also fails with the error, \u201cKRB_GENERIC_ERROR\u201d, if callers submit a PAC-less Ticket Granting Ticket (TGT) as an evidence ticket without providing the USER_NO_AUTH_DATA_REQUIRED flag.\n * Addresses an issue with security vulnerabilities identified by a security researcher. Because of these security vulnerabilities, this and all future Windows updates will no longer contain the [RemoteFX vGPU](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploy-graphics-devices-using-remotefx-vgpu>) feature. For more information about the vulnerability and its removal, see [CVE-2020-1036](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-1036>) and [KB4570006](<https://support.microsoft.com/en-us/topic/update-to-disable-and-remove-the-remotefx-vgpu-component-in-windows-bbdf1531-7188-2bf4-0de6-641de79f09d2>). Secure vGPU alternatives are available using [Discrete Device Assignment (DDA)](<https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/deploying-graphics-devices-using-dda>) in Windows Server LTSC releases (Windows Server 2016 and Windows Server 2019) and Windows Server SAC releases (Windows Server, version 1803 and later versions).\n * Addresses a potential elevation of privilege vulnerability in the way Azure Active Directory web sign-in allows arbitrary browsing from the third-party endpoints used for federated authentication. For more information, see [CVE-2021-27092](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27092>) and [Policy CSP - Authentication](<https://docs.microsoft.com/en-us/windows/client-management/mdm/policy-csp-authentication#authentication-enablewebsignin>).\n * Addresses an issue that causes Windows Back up using File History to stop working for a few users. This issue occurs after installing the February 9, 2021 update. The error message is, \u201cFailed to start the backup of user links (error 8007005)\u201d.\n * Security updates to Windows App Platform and Frameworks, Windows Apps, Windows Input and Composition, Windows Office Media, Windows Fundamentals, Windows Cryptography, the Windows AI Platform, Windows Kernel, Windows Virtualization, and Windows Media.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website.\n\n**Windows Update Improvements**Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.\n\n## Known issues in this update\n\n**Symptom**| **Workaround** \n---|--- \nWhen using the Microsoft Japanese Input Method Editor (IME) to enter Kanji characters in an app that automatically allows the input of Furigana characters, you might not get the correct Furigana characters. You might need to enter the Furigana characters manually.**Note **The affected apps are using the **ImmGetCompositionString()** function.| This issue is resolved in KB5005101. \nDevices with Windows installations created from custom offline media or custom ISO image might have [Microsoft Edge Legacy](<https://support.microsoft.com/en-us/microsoft-edge/what-is-microsoft-edge-legacy-3e779e55-4c55-08e6-ecc8-2333768c0fb0>) removed by this update, but not automatically replaced by the new Microsoft Edge. This issue is only encountered when custom offline media or ISO images are created by slipstreaming this update into the image without having first installed the standalone servicing stack update (SSU) released March 29, 2021 or later.**Note **Devices that connect directly to Windows Update to receive updates are not affected. This includes devices using Windows Update for Business. Any device connecting to Windows Update should always receive the latest versions of the SSU and latest cumulative update (LCU) without any extra steps.| To avoid this issue, be sure to first slipstream the SSU released March 29, 2021 or later into the custom offline media or ISO image before slipstreaming the LCU. To do this with the combined SSU and LCU packages now used for Windows 10, version 20H2 and Windows 10, version 2004, you will need to extract the SSU from the combined package. Use the following steps to extract the SSU:\n\n 1. Extract the cab from the msu via this command line (using the package for KB5000842 as an example): **expand Windows10.0-KB5000842-x64.msu /f:Windows10.0-KB5000842-x64.cab <destination path>**\n 2. Extract the SSU from the previously extracted cab via this command line: **expand Windows10.0-KB5000842-x64.cab /f:* <destination path>**\n 3. You will then have the SSU cab, in this example named **SSU-19041.903-x64.cab**. Slipstream this file into your offline image first, then the LCU.\nIf you have already encountered this issue by installing the OS using affected custom media, you can mitigate it by directly installing the [new Microsoft Edge](<https://www.microsoft.com/edge>). If you need to broadly deploy the new Microsoft Edge for business, see [Download and deploy Microsoft Edge for business](<https://www.microsoft.com/edge/business/download>). \nA small subset of users have reported lower than expected performance in games after installing this update. Most users affected by this issue are running games full screen or borderless windowed modes and using two or more monitors.| This issue is resolved in KB5003690. \nAfter installing this update, 5.1 Dolby Digital audio may play containing a high-pitched noise or squeak in certain apps when using certain audio devices and Windows settings.**Note **This issue does not occur when stereo is used.| This issue is resolved in KB5003690. \n \n## How to get this update\n\n**Before installing this update**Prerequisite:Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). If you encounter the error, 0x800f0823 \u2013 CBS_E_NEW_SERVICING_STACK_REQUIRED, close the error message and install the last standalone SSU (KB4598481) **before** installing this LCU. You will not need to install this SSU (KB4598481) again for future updates. For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/en-us/windows/deployment/update/servicing-stack-updates>) and Servicing Stack Updates (SSU): Frequently Asked Questions.**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5001330>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n \n**If you want to remove the LCU**To remove the LCU after installing the combined SSU and LCU package, use the [DISM/Remove-Package](<https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/dism-operating-system-package-servicing-command-line-options>) command line option with the LCU package name as the argument. You can find the package name by using this command: **DISM /online /get-packages**.Running [Windows Update Standalone Installer](<https://support.microsoft.com/en-us/topic/description-of-the-windows-update-standalone-installer-in-windows-799ba3df-ec7e-b05e-ee13-1cdae8f23b19>) (**wusa.exe**) with the **/uninstall **switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.\n\n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5001330](<https://download.microsoft.com/download/e/3/b/e3b48b01-ec2d-4e51-9ea8-b4b0b8e1a207/5001330.csv>). For a list of the files that are provided in the servicing stack update, download the [file information for the SSU - version 19041.925 and 19042.925](<https://download.microsoft.com/download/5/a/5/5a5efb3d-9d22-4add-bac0-34959549170f/SSU_version_19041.925.csv>). \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-04-13T07:00:00", "type": "mskb", "title": "April 13, 2021\u2014KB5001330 (OS Builds 19041.928 and 19042.928)", "bulletinFamily": "microsoft", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1036", "CVE-2020-17049", "CVE-2021-27092", "CVE-2021-28319"], "modified": "2021-04-13T07:00:00", "id": "KB5001330", "href": "https://support.microsoft.com/en-us/help/5001330", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "prion": [{"lastseen": "2023-08-16T05:58:24", "description": "Windows GDI Information Disclosure Vulnerability", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-14T18:15:00", "type": "prion", "title": "CVE-2021-34496", "bulletinFamily": "NVD", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-34496"], "modified": "2021-07-19T17:44:00", "id": "PRION:CVE-2021-34496", "href": "https://kb.prio-n.com/vulnerability/CVE-2021-34496", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-08-16T05:48:07", "description": "Windows Security Account Manager Remote Protocol Security Feature Bypass Vulnerability", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-14T18:15:00", "type": "prion", "title": "CVE-2021-33757", "bulletinFamily": "NVD", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33757"], "modified": "2021-07-17T00:50:00", "id": "PRION:CVE-2021-33757", "href": "https://kb.prio-n.com/vulnerability/CVE-2021-33757", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "cnvd": [{"lastseen": "2022-11-05T10:08:55", "description": "Microsoft Windows and Microsoft Windows Server are both products of Microsoft Corporation (USA).Microsoft Windows is a set of operating systems for personal devices.Microsoft Windows Server is a set of server operating systems. An information disclosure vulnerability exists in GDI in Microsoft Windows/Windows Server. No detailed vulnerability details are available.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-15T00:00:00", "type": "cnvd", "title": "Microsoft Windows/Windows Server Information Disclosure Vulnerability (CNVD-2021-63291)", "bulletinFamily": "cnvd", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 2.1, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-34496"], "modified": "2021-08-19T00:00:00", "id": "CNVD-2021-63291", "href": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-63291", "cvss": {"score": 2.1, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:N"}}], "cve": [{"lastseen": "2023-05-23T15:30:34", "description": "Windows GDI Information Disclosure Vulnerability", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-07-14T18:15:00", "type": "cve", "title": "CVE-2021-34496", "cwe": ["NVD-CWE-noinfo"], 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{'reference':'samba-dc-libs-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-dc-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-dc-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-dc-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-dc-provision-4.16.5-0.amzn2022.0.1', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n 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{'reference':'samba-krb5-printing-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-krb5-printing-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-krb5-printing-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-krb5-printing-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-libs-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-libs-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-libs-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-pidl-4.16.5-0.amzn2022.0.1', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-libs-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-libs-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-libs-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-test-libs-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-vfs-iouring-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-vfs-iouring-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-vfs-iouring-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-vfs-iouring-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-clients-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-clients-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-clients-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-clients-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-clients-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-clients-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-krb5-locator-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-krb5-locator-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-krb5-locator-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-krb5-locator-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-krb5-locator-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-krb5-locator-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-modules-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-modules-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-modules-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-modules-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-modules-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},\n {'reference':'samba-winbind-modules-debuginfo-4.16.5-0.amzn2022.0.1', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE}\n];\n\nvar flag = 0;\nforeach var package_array ( pkgs ) {\n var reference = NULL;\n var _release = NULL;\n var sp = NULL;\n var _cpu = NULL;\n var el_string = NULL;\n var rpm_spec_vers_cmp = NULL;\n var epoch = NULL;\n var allowmaj = NULL;\n var exists_check = NULL;\n if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];\n if (!empty_or_null(package_array['release'])) _release = package_array['release'];\n if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];\n if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];\n if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];\n if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];\n if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];\n if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];\n if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];\n if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {\n if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;\n }\n}\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) 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However while the database was correctly shared, the user credentials state was only pointed at, and when one connection within that association group ended, the database would be left pointing at an invalid 'struct session_info'. The most likely outcome here is a crash, but it is possible that the use- after-free could instead allow different user state to be pointed at and this might allow more privileged access. (CVE-2021-3738)\n\n - A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are met. (CVE-2021-20251)\n\n - A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share. (CVE-2021-20316)\n\n - A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements. (CVE-2021-23192)\n\n - All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.\n (CVE-2021-44141)\n\n - The Samba vfs_fruit module uses extended file attributes (EA, xattr) to provide ...enhanced compatibility with Apple SMB clients and interoperability with a Netatalk 3 AFP fileserver. Samba versions prior to 4.13.17, 4.14.12 and 4.15.5 with vfs_fruit configured allow out-of-bounds heap read and write via specially crafted extended file attributes. A remote attacker with write access to extended file attributes can execute arbitrary code with the privileges of smbd, typically root. (CVE-2021-44142)\n\n - The Samba AD DC includes checks when adding service principals names (SPNs) to an account to ensure that SPNs do not alias with those already in the database. Some of these checks are able to be bypassed if an account modification re-adds an SPN that was previously present on that account, such as one added when a computer is joined to a domain. An attacker who has the ability to write to an account can exploit this to perform a denial-of-service attack by adding an SPN that matches an existing service. Additionally, an attacker who can intercept traffic can impersonate existing services, resulting in a loss of confidentiality and integrity. (CVE-2022-0336)\n\n - In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values. (CVE-2022-1615)\n\n - A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a single account and set of keys, allowing them to decrypt each other's tickets. A user who has been requested to change their password, can exploit this flaw to obtain and use tickets to other services.\n (CVE-2022-2031)\n\n - A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a maliciously small packet. This flaw allows a remote user to send specially crafted malicious data to the application, possibly resulting in a denial of service (DoS) attack. (CVE-2022-3437)\n\n - A symlink following vulnerability was found in Samba, where a user can create a symbolic link that will make 'smbd' escape the configured share path. This flaw allows a remote user with access to the exported part of the file system under a share via SMB1 unix extensions or NFS to create symlinks to files outside the 'smbd' configured share path and gain access to another restricted server's filesystem.\n (CVE-2022-3592)\n\n - A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enough data to fulfill the write, allowing server memory contents to be written into the file (or printer) instead of client-supplied data. The client cannot control the area of the server memory written to the file (or printer). (CVE-2022-32742)\n\n - Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit unprivileged users to write it. (CVE-2022-32743)\n\n - A flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. By encrypting forged kpasswd requests with its own key, a user can change other users' passwords, enabling full domain takeover. (CVE-2022-32744)\n\n - A flaw was found in Samba. Samba AD users can cause the server to access uninitialized data with an LDAP add or modify the request, usually resulting in a segmentation fault. (CVE-2022-32745)\n\n - A flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a preceding database module, resulting in a use-after-free issue. This issue is only possible when modifying certain privileged attributes, such as userAccountControl. (CVE-2022-32746)\n\n - Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability (CVE-2022-37966)\n\n - Windows Kerberos Elevation of Privilege Vulnerability (CVE-2022-37967)\n\n - Netlogon RPC Elevation of Privilege Vulnerability (CVE-2022-38023)\n\n - PAC parsing in MIT Kerberos 5 (aka krb5) before 1.19.4 and 1.20.x before 1.20.1 has integer overflows that may lead to remote code execution (in KDC, kadmind, or a GSS or Kerberos application server) on 32-bit platforms (which have a resultant heap-based buffer overflow), and cause a denial of service on other platforms. This occurs in krb5_pac_parse in lib/krb5/krb/pac.c. Heimdal before 7.7.1 has a similar bug.\n (CVE-2022-42898)\n\n - Since the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability was disclosed by Microsoft on Nov 8 2022 and per RFC8429 it is assumed that rc4-hmac is weak, Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts- hmac-sha1-96). (CVE-2022-45141)\n\n - A flaw was found in Samba. An incomplete access check on dnsHostName allows authenticated but otherwise unprivileged users to delete this attribute from any object in the directory. (CVE-2023-0225)\n\n - The fix in 4.6.16, 4.7.9, 4.8.4 and 4.9.7 for CVE-2018-10919 Confidential attribute disclosure vi LDAP filters was insufficient and an attacker may be able to obtain confidential BitLocker recovery keys from a Samba AD DC. (CVE-2023-0614)\n\n - The Samba AD DC administration tool, when operating against a remote LDAP server, will by default send new or reset passwords over a signed-only connection. (CVE-2023-0922)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2023-09-17T00:00:00", "type": "nessus", "title": "GLSA-202309-06 : Samba: Multiple Vulnerabilities", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2001-1267", "CVE-2007-4559", "CVE-2016-2124", "CVE-2018-10919", "CVE-2020-17049", "CVE-2020-25717", "CVE-2020-25718", "CVE-2020-25719", "CVE-2020-25721", "CVE-2020-25722", "CVE-2021-20251", "CVE-2021-20316", "CVE-2021-23192", "CVE-2021-3670", "CVE-2021-3738", "CVE-2021-44141", "CVE-2021-44142", "CVE-2022-0336", "CVE-2022-1615", "CVE-2022-2031", "CVE-2022-32742", "CVE-2022-32743", "CVE-2022-32744", "CVE-2022-32745", "CVE-2022-32746", "CVE-2022-3437", "CVE-2022-3592", "CVE-2022-37966", "CVE-2022-37967", "CVE-2022-38023", "CVE-2022-42898", "CVE-2022-45141", "CVE-2023-0225", "CVE-2023-0614", "CVE-2023-0922"], "modified": "2023-09-21T00:00:00", "cpe": ["p-cpe:/a:gentoo:linux:samba", "cpe:/o:gentoo:linux"], "id": "GENTOO_GLSA-202309-06.NASL", "href": "https://www.tenable.com/plugins/nessus/181514", "sourceData": "#%NASL_MIN_LEVEL 80900\n#\n# (C) Tenable, Inc.\n#\n# @NOAGENT@\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Gentoo Linux Security Advisory GLSA 202309-06.\n#\n# The advisory text is Copyright (C) 2001-2021 Gentoo Foundation, Inc.\n# and licensed under the Creative Commons - Attribution / Share Alike\n# license. 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A remote attacker with write access to extended file\n attributes can execute arbitrary code with the privileges of smbd, typically root. (CVE-2021-44142)\n\n - The Samba AD DC includes checks when adding service principals names (SPNs) to an account to ensure that\n SPNs do not alias with those already in the database. Some of these checks are able to be bypassed if an\n account modification re-adds an SPN that was previously present on that account, such as one added when a\n computer is joined to a domain. An attacker who has the ability to write to an account can exploit this to\n perform a denial-of-service attack by adding an SPN that matches an existing service. Additionally, an\n attacker who can intercept traffic can impersonate existing services, resulting in a loss of\n confidentiality and integrity. (CVE-2022-0336)\n\n - In Samba, GnuTLS gnutls_rnd() can fail and give predictable random values. (CVE-2022-1615)\n\n - A flaw was found in Samba. The security vulnerability occurs when KDC and the kpasswd service share a\n single account and set of keys, allowing them to decrypt each other's tickets. A user who has been\n requested to change their password, can exploit this flaw to obtain and use tickets to other services.\n (CVE-2022-2031)\n\n - A heap-based buffer overflow vulnerability was found in Samba within the GSSAPI unwrap_des() and\n unwrap_des3() routines of Heimdal. The DES and Triple-DES decryption routines in the Heimdal GSSAPI\n library allow a length-limited write buffer overflow on malloc() allocated memory when presented with a\n maliciously small packet. This flaw allows a remote user to send specially crafted malicious data to the\n application, possibly resulting in a denial of service (DoS) attack. (CVE-2022-3437)\n\n - A symlink following vulnerability was found in Samba, where a user can create a symbolic link that will\n make 'smbd' escape the configured share path. This flaw allows a remote user with access to the exported\n part of the file system under a share via SMB1 unix extensions or NFS to create symlinks to files outside\n the 'smbd' configured share path and gain access to another restricted server's filesystem.\n (CVE-2022-3592)\n\n - A flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client\n had sent enough data to fulfill the write, allowing server memory contents to be written into the file (or\n printer) instead of client-supplied data. The client cannot control the area of the server memory written\n to the file (or printer). (CVE-2022-32742)\n\n - Samba does not validate the Validated-DNS-Host-Name right for the dNSHostName attribute which could permit\n unprivileged users to write it. (CVE-2022-32743)\n\n - A flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. 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(CVE-2020-17025)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17026)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17026, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17027)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17026, CVE-2020-17027, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17028)\n\n - Windows Canonical Display Driver Information Disclosure Vulnerability (CVE-2020-17029)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17032, CVE-2020-17033, CVE-2020-17034,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17031)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17033, CVE-2020-17034,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17032)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17034,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17033)\n\n - Windows Remote Access Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17025,\n CVE-2020-17026, CVE-2020-17027, CVE-2020-17028, CVE-2020-17031, CVE-2020-17032, CVE-2020-17033,\n CVE-2020-17043, CVE-2020-17044, CVE-2020-17055. (CVE-2020-17034)\n\n - Windows Kernel Elevation of Privilege Vulnerability (CVE-2020-17035)\n\n - Windows Function Discovery SSDP Provider Information Disclosure Vulnerability (CVE-2020-17036)\n\n - Windows WalletService Elevation of Privilege Vulnerability (CVE-2020-17037)\n\n - Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2020-17010. 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It allows clients and servers to authenticate to each other with the help of a trusted third party, the Kerberos key distribution center (KDC).\n\nThe following packages have been upgraded to a later upstream version: krb5 (1.20.1). (BZ#2016312)\n\nSecurity Fix(es):\n\n* Kerberos: delegation constrain bypass in S4U2Proxy (CVE-2020-17049)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-05-09T00:00:00", "type": "almalinux", "title": "Moderate: krb5 security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049"], "modified": "2023-05-12T00:45:28", "id": "ALSA-2023:2570", "href": "https://errata.almalinux.org/9/ALSA-2023-2570.html", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "attackerkb": [{"lastseen": "2023-09-26T00:54:42", "description": "Kerberos Security Feature Bypass Vulnerability\n\n \n**Recent assessments:** \n \n**jakekarnes42** at December 09, 2020 12:26am UTC reported:\n\nTechnical analysis and exploit of the vulnerability are now publicly available: \n<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-overview/> \n<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-theory/> \n<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-attack/>\n\n**SusanBradley** at November 23, 2020 3:37am UTC reported:\n\nTechnical analysis and exploit of the vulnerability are now publicly available: \n<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-overview/> \n<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-theory/> \n<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-attack/>\n\nAssessed Attacker Value: 0 \nAssessed Attacker Value: 0Assessed Attacker Value: 0\n", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 7.2, 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"oraclelinux": [{"lastseen": "2023-09-25T22:03:25", "description": "[1.20.1-8.0.1]\n- Fixed race condition in krb5_set_password() [Orabug: 33609767]\n[1.20.1-8]\n- Fix datetime parsing in kadmin on s390x\n- Resolves: rhbz#2169985\n[1.20.1-7]\n- Fix double free on kdb5_util key creation failure\n- Resolves: rhbz#2166603\n[1.20.1-6]\n- Add support for MS-PAC extended KDC signature (CVE-2022-37967)\n- Resolves: rhbz#2165827\n[1.20.1-5]\n- Bypass FIPS restrictions to use KRB5KDF in case AES SHA-1 HMAC is enabled\n- Lazily load MD4/5 from OpenSSL if using RADIUS or RC4 enctype in FIPS mode\n- Resolves: rhbz#2162461\n[1.20.1-4]\n- Set aes256-cts-hmac-sha384-192 as EXAMLE.COM master key in kdc.conf\n- Add AES SHA-2 HMAC family as EXAMPLE.COM supported etypes in kdc.conf\n- Resolves: rhbz#2068535\n[1.20.1-2]\n- Strip debugging data from ksu executable file\n- Resolves: rhbz#2159643\n[1.20.1-1]\n- Make tests compatible with sssd-client\n- Resolves: rhbz#2151513\n- Remove invalid password expiry warning\n- Resolves: rhbz#2121099\n- Update error checking for OpenSSL CMS_verify\n- Resolves: rhbz#2063838\n- New upstream version (1.20.1)\n- Resolves: rhbz#2016312\n- Fix integer overflows in PAC parsing (CVE-2022-42898)\n- Resolves: rhbz#2140971\n[1.19.1-23]\n- Fix kprop for propagating dump files larger than 4GB\n- Resolves: rhbz#2133014\n[1.19.1-22]\n- Restore 'supportedCMSTypes' attribute in PKINIT preauth requests\n- Set SHA-512 or SHA-256 with RSA as preferred CMS signature algorithms\n- Resolves: rhbz#2068935\n[1.19.1-21]\n- Fix libkrad client cleanup\n- Allow use of larger RADIUS attributes in krad library\n- Resolves: rhbz#2100351\n[1.19.1-20]\n- Fix OpenSSL 3 MD5 encyption in FIPS mode\n- Allow libkrad UDP/TCP connection to localhost in FIPS mode\n- Resolves: rhbz#2068458\n[1.19.1-19]\n- Use p11-kit as default PKCS11 module\n- Resolves: rhbz#2030981\n[1.19.1-18]\n- Try harder to avoid password change replay errors\n- Resolves: rhbz#2075186\n[1.19.1-15]\n- Use SHA-256 instead of SHA-1 for PKINIT CMS digest\n[1.19.1-14]\n- Bypass FIPS restrictions to use KRB5KDF in case AES SHA-1 HMAC is enabled\n- Lazily load MD4/5 from OpenSSL if using RADIUS or RC4 enctype in FIPS mode\n[1.19.1-13]\n- Remove -specs= from krb5-config output\n- Resolves #1997021\n[1.19.1-12]\n- Fix KDC null deref on TGS inner body null server (CVE-2021-37750)\n- Resolves: #1997602\n[1.19.1-11.1]\n- Rebuilt for IMA sigs, glibc 2.34, aarch64 flags\n Related: rhbz#1991688\n[1.19.1-11]\n- Fix KDC null deref on bad encrypted challenge (CVE-2021-36222)\n- Resolves: #1983733\n[1.19.1-10]\n- Update OpenSSL 3 provider handling to clean up properly\n- Resolves: #1955873\n[1.19.1-9]\n- Sync openssl3 patches with upstream\n- Resolves: #1955873\n[1.19.1-8]\n- Rebuild for rpminspect and mass rebuild cleanup; no code changes\n- Resolves: #1967505\n[1.19.1-7]\n- Fix several fallback canonicalization problems\n- Resolves: #1967505\n[1.19.1-6.1]\n- Rebuilt for RHEL 9 BETA for openssl 3.0\n- Resolves: rhbz#1971065\n[1.19.1-6]\n- Backport KCM retrieval fixes\n- Resolves: #1956403\n[1.19.1-5]\n- Fix DES3 mention in KDFs\n- Resolves: #1955873\n[1.19.1-4]\n- Port to OpenSSL 3 (alpha 15)\n- Resolves: #1955873\n[1.19.1-3.1]\n- Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-05-15T00:00:00", "type": "oraclelinux", "title": "krb5 security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049"], "modified": "2023-05-15T00:00:00", "id": "ELSA-2023-2570", "href": "http://linux.oracle.com/errata/ELSA-2023-2570.html", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "altlinux": [{"lastseen": "2023-05-08T01:49:14", "description": "Nov. 1, 2021 Evgeny Sinelnikov 4.14.9-alt1\n \n \n - Update to latest security release of Samba 4.14\n - Backport bronze bit fixes, tests, and selftest improvements. Provide a fix\n for MS in Samba [SECURITY] 'Bronze bit' S4U2Proxy Constrained Delegation\n bypass in Samba with embedded Heimdal (Fixes: CVE-2020-17049).\n", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-11-01T00:00:00", "type": "altlinux", "title": "Security fix for the ALT Linux 10 package samba version 4.14.9-alt1", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049"], "modified": "2021-11-01T00:00:00", "id": "1033D3ADEA055C91F1302ABC7236AEED", "href": "https://packages.altlinux.org/en/p10/srpms/samba/", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "redhatcve": [{"lastseen": "2023-09-22T02:55:00", "description": "It was found that the Kerberos Key Distribution Center (KDC) delegation feature, Service for User (S4U), did not sufficiently protect the tickets it's providing from tempering. A malicious, authenticated service principal allowed to delegate could use this flaw to impersonate a non-forwardable user.\n#### Mitigation\n\nIn Red Hat Identity Management (IdM), the list of existing rules for service principals delegation can be obtained with the following commands : \n$ ipa servicedelegationrule-find \n$ ipa servicedelegationtarget-find \nThe services allowed to delegate must all be trusted. \nBy default, only HTTP/<IPA host>@<REALM>, corresponding to IdM's Web UI, is allowed to delegate. \n\n", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "baseScore": 7.2, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-11-22T20:20:39", "type": "redhatcve", "title": "CVE-2020-17049", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049"], "modified": "2023-08-31T15:58:24", "id": "RH:CVE-2020-17049", "href": "https://access.redhat.com/security/cve/cve-2020-17049", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "amazon": [{"lastseen": "2023-09-26T03:13:00", "description": "**Issue Overview:**\n\nIt was found that the Kerberos Key Distribution Center (KDC) delegation feature, Service for User (S4U), did not sufficiently protect the tickets it's providing from tempering. A malicious, authenticated service principal allowed to delegate could use this flaw to impersonate a non-forwardable user. (CVE-2020-17049)\n\nA flaw was found in Samba. Some SMB1 write requests were not correctly range-checked to ensure the client had sent enough data to fulfill the write, allowing server memory contents to be written into the file (or printer) instead of client-supplied data. The client cannot control the area of the server memory written to the file (or printer). (CVE-2022-32742)\n\nA flaw was found in Samba. The KDC accepts kpasswd requests encrypted with any key known to it. By encrypting forged kpasswd requests with its own key, a user can change other users' passwords, enabling full domain takeover. (CVE-2022-32744)\n\nA flaw was found in Samba. Samba AD users can cause the server to access uninitialized data with an LDAP add or modify the request, usually resulting in a segmentation fault. (CVE-2022-32745)\n\nA flaw was found in the Samba AD LDAP server. The AD DC database audit logging module can access LDAP message values freed by a preceding database module, resulting in a use-after-free issue. This issue is only possible when modifying certain privileged attributes, such as userAccountControl. (CVE-2022-32746)\n\n \n**Affected Packages:** \n\n\nsamba\n\n \n**Issue Correction:** \nRun _yum update samba_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n i686: \n \u00a0\u00a0\u00a0 samba-devel-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-common-libs-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 libwbclient-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-winbind-clients-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-python-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-debuginfo-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-client-libs-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-test-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 libsmbclient-devel-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-winbind-modules-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-winbind-krb5-locator-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 ctdb-tests-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-python-test-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-common-tools-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 libwbclient-devel-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-libs-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-test-libs-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 ctdb-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 libsmbclient-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-krb5-printing-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-winbind-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-4.10.16-20.62.amzn1.i686 \n \u00a0\u00a0\u00a0 samba-client-4.10.16-20.62.amzn1.i686 \n \n noarch: \n \u00a0\u00a0\u00a0 samba-pidl-4.10.16-20.62.amzn1.noarch \n \u00a0\u00a0\u00a0 samba-common-4.10.16-20.62.amzn1.noarch \n \n src: \n \u00a0\u00a0\u00a0 samba-4.10.16-20.62.amzn1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 libsmbclient-devel-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-test-libs-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 libwbclient-devel-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-python-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ctdb-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 libwbclient-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-client-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-krb5-printing-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-winbind-modules-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-winbind-krb5-locator-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-devel-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-winbind-clients-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 ctdb-tests-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-python-test-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-libs-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-test-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-common-tools-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-winbind-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-debuginfo-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 libsmbclient-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-common-libs-4.10.16-20.62.amzn1.x86_64 \n \u00a0\u00a0\u00a0 samba-client-libs-4.10.16-20.62.amzn1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2020-17049](<https://access.redhat.com/security/cve/CVE-2020-17049>), [CVE-2022-32742](<https://access.redhat.com/security/cve/CVE-2022-32742>), [CVE-2022-32744](<https://access.redhat.com/security/cve/CVE-2022-32744>), [CVE-2022-32745](<https://access.redhat.com/security/cve/CVE-2022-32745>), [CVE-2022-32746](<https://access.redhat.com/security/cve/CVE-2022-32746>)\n\nMitre: [CVE-2020-17049](<https://vulners.com/cve/CVE-2020-17049>), [CVE-2022-32742](<https://vulners.com/cve/CVE-2022-32742>), [CVE-2022-32744](<https://vulners.com/cve/CVE-2022-32744>), [CVE-2022-32745](<https://vulners.com/cve/CVE-2022-32745>), [CVE-2022-32746](<https://vulners.com/cve/CVE-2022-32746>)\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-12-01T17:33:00", "type": "amazon", "title": "Important: samba", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2022-32742", "CVE-2022-32744", "CVE-2022-32745", "CVE-2022-32746"], "modified": "2022-12-10T00:46:00", "id": "ALAS-2022-1642", "href": "https://alas.aws.amazon.com/ALAS-2022-1642.html", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "suse": [{"lastseen": "2022-11-06T19:34:23", "description": "An update that fixes 8 vulnerabilities is now available.\n\nDescription:\n\n This update for samba and ldb fixes the following issues:\n\n - CVE-2020-25718: Fixed that an RODC can issue (forge) administrator\n tickets to other servers (bsc#1192246).\n - CVE-2021-3738: Fixed crash in dsdb stack (bsc#1192215).\n - CVE-2016-2124: Fixed not to fallback to non spnego authentication if we\n require kerberos (bsc#1014440).\n - CVE-2020-25717: Fixed privilege escalation inside an AD Domain where a\n user could become root on domain members (bsc#1192284).\n - CVE-2020-25719: Fixed AD DC Username based races when no PAC is given\n (bsc#1192247).\n - CVE-2020-25722: Fixed AD DC UPN vs samAccountName not checked (top-level\n bug for AD DC validation issues) (bsc#1192283).\n - CVE-2021-23192: Fixed dcerpc requests to don't check all fragments\n against the first auth_state (bsc#1192214).\n - CVE-2020-25721: Fixed fill in the new HAS_SAM_NAME_AND_SID values\n (bsc#1192505).\n\n Samba was updated to 4.13.13\n\n * rodc_rwdc test flaps;(bso#14868).\n * Backport bronze bit fixes, tests, and selftest improvements; (bso#14881).\n * Provide a fix for MS CVE-2020-17049 in Samba [SECURITY] 'Bronze bit'\n S4U2Proxy Constrained Delegation bypass in Samba with embedded\n Heimdal;(bso#14642).\n * Python ldb.msg_diff() memory handling failure;(bso#14836).\n * \"in\" operator on ldb.Message is case sensitive;(bso#14845).\n * Fix Samba support for UF_NO_AUTH_DATA_REQUIRED;(bso#14871).\n * Allow special chars like \"@\" in samAccountName when generating the\n salt;(bso#14874).\n * Fix transit path validation;(bso#12998).\n * Prepare to operate with MIT krb5 >= 1.20;(bso#14870).\n * rpcclient NetFileEnum and net rpc file both cause lock order violation:\n brlock.tdb, share_entries.tdb;(bso#14645).\n * Python ldb.msg_diff() memory handling failure;(bso#14836).\n * Release LDB 2.3.1 for Samba 4.14.9;(bso#14848).\n\n Samba was updated to 4.13.12:\n\n * Address a signifcant performance regression in database access in the AD\n DC since Samba 4.12;(bso#14806).\n * Fix performance regression in lsa_LookupSids3/LookupNames4 since Samba\n 4.9 by using an explicit database handle cache; (bso#14807).\n * An unuthenticated user can crash the AD DC KDC by omitting the server\n name in a TGS-REQ;(bso#14817).\n * Address flapping samba_tool_drs_showrepl test;(bso#14818).\n * Address flapping dsdb_schema_attributes test;(bso#14819).\n * An unuthenticated user can crash the AD DC KDC by omitting the server\n name in a TGS-REQ;(bso#14817).\n * Fix CTDB flag/status update race conditions(bso#14784).\n\n Samba was updated to 4.13.11:\n\n * smbd: panic on force-close share during offload write; (bso#14769).\n * Fix returned attributes on fake quota file handle and avoid hitting the\n VFS;(bso#14731).\n * smbd: \"deadtime\" parameter doesn't work anymore;(bso#14783).\n * net conf list crashes when run as normal user;(bso#14787).\n * Work around special SMB2 READ response behavior of NetApp Ontap\n 7.3.7;(bso#14607).\n * Start the SMB encryption as soon as possible;(bso#14793).\n * Winbind should not start if the socket path for the privileged pipe is\n too long;(bso#14792).\n\n ldb was updated to 2.2.2:\n\n + CVE-2020-25718: samba: An RODC can issue (forge) administrator tickets\n to other servers; (bsc#1192246); (bso#14558)\n + CVE-2021-3738: samba: crash in dsdb stack; (bsc#1192215);(bso#14848)\n\n Release ldb 2.2.2\n\n + Corrected python behaviour for 'in' for LDAP attributes contained as\n part of ldb.Message;(bso#14845).\n + Fix memory handling in ldb.msg_diff Corrected python\n docstrings;(bso#14836)\n + Backport bronze bit fixes, tests, and selftest improvements; (bso#14881).\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-3647=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-11-10T00:00:00", "type": "suse", "title": "Security update for samba and ldb (important)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-2124", "CVE-2020-17049", "CVE-2020-25717", "CVE-2020-25718", "CVE-2020-25719", "CVE-2020-25721", "CVE-2020-25722", "CVE-2021-23192", "CVE-2021-3738"], "modified": "2021-11-10T00:00:00", "id": "OPENSUSE-SU-2021:3647-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/36K5HNX67LYX5XOVQRL3MSIC5YSJ5M5W/", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "kaspersky": [{"lastseen": "2023-05-27T14:59:01", "description": "### *Detect date*:\n07/13/2021\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Products (Extended Security Update). Malicious users can exploit these vulnerabilities to obtain sensitive information, spoof user interface, execute arbitrary code, cause denial of service, bypass security restrictions, gain privileges.\n\n### *Exploitation*:\nMalware exists for this vulnerability. Usually such malware is classified as Exploit. [More details](<https://threats.kaspersky.com/en/class/Exploit/>).\n\n### *Affected products*:\nWindows 7 for 32-bit Systems Service Pack 1 \nWindows Server 2012 R2 (Server Core installation) \nWindows Server 2016 \nWindows 10 Version 1909 for x64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows 10 Version 21H1 for ARM64-based Systems \nWindows 10 Version 2004 for 32-bit Systems \nWindows Server 2012 \nWindows RT 8.1 \nWindows 10 Version 1909 for ARM64-based Systems \nWindows 10 for 32-bit Systems \nWindows 7 for x64-based Systems Service Pack 1 \nWindows 8.1 for x64-based systems \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 10 Version 2004 for x64-based Systems \nWindows 10 Version 21H1 for x64-based Systems \nWindows Server 2019 \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1809 for 32-bit Systems \nWindows 10 Version 1607 for x64-based Systems \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows Server 2016 (Server Core installation) \nWindows 8.1 for 32-bit systems \nWindows Server 2012 (Server Core installation) \nWindows 10 Version 21H1 for 32-bit Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows Server 2012 R2 \nWindows 10 Version 1809 for ARM64-based Systems \nWindows 10 Version 2004 for ARM64-based Systems \nWindows 10 Version 20H2 for x64-based Systems \nWindows 10 Version 1607 for 32-bit Systems \nWindows 10 for x64-based Systems \nWindows 10 Version 20H2 for 32-bit Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows Server, version 2004 (Server Core installation) \nWindows Server, version 20H2 (Server Core Installation) \nWindows 10 Version 1809 for x64-based Systems\n\n### *Solution*:\nInstall necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)\n\n### *Original advisories*:\n[CVE-2021-33783](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33783>) \n[CVE-2021-34492](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34492>) \n[CVE-2021-34497](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34497>) \n[CVE-2021-34442](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34442>) \n[CVE-2021-34444](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34444>) \n[CVE-2021-33765](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33765>) \n[CVE-2021-34504](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34504>) \n[CVE-2021-33786](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33786>) \n[CVE-2021-34456](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34456>) \n[CVE-2021-34494](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34494>) \n[CVE-2021-33788](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33788>) \n[CVE-2021-33754](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33754>) \n[CVE-2021-34446](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34446>) \n[CVE-2021-33752](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33752>) \n[CVE-2021-31183](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-31183>) \n[CVE-2021-33750](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33750>) \n[CVE-2021-33745](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33745>) \n[CVE-2021-31979](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-31979>) \n[CVE-2021-33756](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33756>) \n[CVE-2021-34440](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34440>) \n[CVE-2021-33749](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33749>) \n[CVE-2021-33764](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33764>) \n[CVE-2021-34448](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34448>) \n[CVE-2021-34499](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34499>) \n[CVE-2021-33757](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33757>) \n[CVE-2021-34457](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34457>) \n[CVE-2021-34441](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34441>) \n[CVE-2021-34507](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34507>) \n[CVE-2021-33746](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33746>) \n[CVE-2021-34498](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34498>) \n[CVE-2021-34516](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34516>) \n[CVE-2021-34447](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34447>) \n[CVE-2021-33780](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33780>) \n[CVE-2021-34476](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34476>) \n[CVE-2021-34511](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34511>) \n[CVE-2021-33782](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33782>) \n[CVE-2021-34514](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34514>) \n[CVE-2021-34500](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34500>) \n[CVE-2021-34496](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34496>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Windows](<https://threats.kaspersky.com/en/product/Microsoft-Windows/>)\n\n### *CVE-IDS*:\n[CVE-2021-34497](<https://vulners.com/cve/CVE-2021-34497>)6.8High \n[CVE-2021-34444](<https://vulners.com/cve/CVE-2021-34444>)4.0Warning \n[CVE-2021-34504](<https://vulners.com/cve/CVE-2021-34504>)6.8High \n[CVE-2021-34456](<https://vulners.com/cve/CVE-2021-34456>)4.6Warning \n[CVE-2021-33788](<https://vulners.com/cve/CVE-2021-33788>)5.0Critical \n[CVE-2021-34494](<https://vulners.com/cve/CVE-2021-34494>)6.5High \n[CVE-2021-34446](<https://vulners.com/cve/CVE-2021-34446>)6.8High \n[CVE-2021-31183](<https://vulners.com/cve/CVE-2021-31183>)5.0Critical \n[CVE-2021-33745](<https://vulners.com/cve/CVE-2021-33745>)4.0Warning \n[CVE-2021-34440](<https://vulners.com/cve/CVE-2021-34440>)2.1Warning \n[CVE-2021-33749](<https://vulners.com/cve/CVE-2021-33749>)6.8High \n[CVE-2021-33764](<https://vulners.com/cve/CVE-2021-33764>)4.3Warning \n[CVE-2021-33757](<https://vulners.com/cve/CVE-2021-33757>)7.5Critical \n[CVE-2021-34441](<https://vulners.com/cve/CVE-2021-34441>)6.8High \n[CVE-2021-34507](<https://vulners.com/cve/CVE-2021-34507>)4.3Warning \n[CVE-2021-34516](<https://vulners.com/cve/CVE-2021-34516>)4.6Warning \n[CVE-2021-33780](<https://vulners.com/cve/CVE-2021-33780>)6.5High \n[CVE-2021-34476](<https://vulners.com/cve/CVE-2021-34476>)5.0Critical \n[CVE-2021-34511](<https://vulners.com/cve/CVE-2021-34511>)4.6Warning \n[CVE-2021-34500](<https://vulners.com/cve/CVE-2021-34500>)4.0Warning \n[CVE-2021-34496](<https://vulners.com/cve/CVE-2021-34496>)2.1Warning \n[CVE-2021-33783](<https://vulners.com/cve/CVE-2021-33783>)4.0Warning \n[CVE-2021-34492](<https://vulners.com/cve/CVE-2021-34492>)5.8High \n[CVE-2021-34442](<https://vulners.com/cve/CVE-2021-34442>)5.0Critical \n[CVE-2021-33765](<https://vulners.com/cve/CVE-2021-33765>)2.1Warning \n[CVE-2021-33786](<https://vulners.com/cve/CVE-2021-33786>)6.5High \n[CVE-2021-33754](<https://vulners.com/cve/CVE-2021-33754>)6.0High \n[CVE-2021-33752](<https://vulners.com/cve/CVE-2021-33752>)6.8High \n[CVE-2021-33750](<https://vulners.com/cve/CVE-2021-33750>)6.8High \n[CVE-2021-31979](<https://vulners.com/cve/CVE-2021-31979>)7.2High \n[CVE-2021-33756](<https://vulners.com/cve/CVE-2021-33756>)6.8High \n[CVE-2021-34448](<https://vulners.com/cve/CVE-2021-34448>)9.3Critical \n[CVE-2021-34499](<https://vulners.com/cve/CVE-2021-34499>)4.0Warning \n[CVE-2021-34457](<https://vulners.com/cve/CVE-2021-34457>)2.1Warning \n[CVE-2021-33746](<https://vulners.com/cve/CVE-2021-33746>)6.5High \n[CVE-2021-34498](<https://vulners.com/cve/CVE-2021-34498>)7.2High \n[CVE-2021-34447](<https://vulners.com/cve/CVE-2021-34447>)6.8High \n[CVE-2021-33782](<https://vulners.com/cve/CVE-2021-33782>)4.3Warning \n[CVE-2021-34514](<https://vulners.com/cve/CVE-2021-34514>)7.2High\n\n### *KB list*:\n[5004289](<http://support.microsoft.com/kb/5004289>) \n[5004307](<http://support.microsoft.com/kb/5004307>) \n[5004299](<http://support.microsoft.com/kb/5004299>) \n[5004305](<http://support.microsoft.com/kb/5004305>) \n[5005563](<http://support.microsoft.com/kb/5005563>) \n[5010384](<http://support.microsoft.com/kb/5010384>) \n[5010422](<http://support.microsoft.com/kb/5010422>) \n[5010403](<http://support.microsoft.com/kb/5010403>) \n[5010404](<http://support.microsoft.com/kb/5010404>)\n\n### *Microsoft official advisories*:", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-07-13T00:00:00", "type": "kaspersky", "title": "KLA12226 Multiple vulnerabilities in Microsoft Products (ESU)", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31183", "CVE-2021-31979", "CVE-2021-33745", "CVE-2021-33746", "CVE-2021-33749", "CVE-2021-33750", "CVE-2021-33752", "CVE-2021-33754", "CVE-2021-33756", "CVE-2021-33757", "CVE-2021-33764", "CVE-2021-33765", "CVE-2021-33780", "CVE-2021-33782", "CVE-2021-33783", "CVE-2021-33786", "CVE-2021-33788", "CVE-2021-34440", "CVE-2021-34441", "CVE-2021-34442", "CVE-2021-34444", "CVE-2021-34446", "CVE-2021-34447", "CVE-2021-34448", "CVE-2021-34456", "CVE-2021-34457", "CVE-2021-34476", "CVE-2021-34492", "CVE-2021-34494", "CVE-2021-34496", "CVE-2021-34497", "CVE-2021-34498", "CVE-2021-34499", "CVE-2021-34500", "CVE-2021-34504", "CVE-2021-34507", "CVE-2021-34511", "CVE-2021-34514", "CVE-2021-34516"], "modified": "2022-05-24T00:00:00", "id": "KLA12226", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12226/", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-28T15:15:54", "description": "### *Detect date*:\n11/10/2020\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Products (Extended Support Update). Malicious users can exploit these vulnerabilities to gain privileges, obtain sensitive information, execute arbitrary code, cause denial of service, spoof user interface, bypass security restrictions.\n\n### *Exploitation*:\nPublic exploits exist for this vulnerability.\n\n### *Affected products*:\nWindows 10 Version 1909 for ARM64-based Systems \nWindows Server 2019 \nWindows 10 Version 1903 for ARM64-based Systems \nWindows 8.1 for x64-based systems \nWindows Server, version 1903 (Server Core installation) \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows 10 Version 1809 for ARM64-based Systems \nWindows 10 Version 1803 for 32-bit Systems \nWindows Server 2012 R2 (Server Core installation) \nWindows 10 Version 1607 for x64-based Systems \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1809 for 32-bit Systems \nWindows Server, version 1909 (Server Core installation) \nWindows 10 Version 20H2 for x64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 10 for 32-bit Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows 10 Version 2004 for ARM64-based Systems \nWindows 10 Version 20H2 for 32-bit Systems \nWindows 10 Version 1909 for x64-based Systems \nWindows RT 8.1 \nWindows 10 Version 1803 for ARM64-based Systems \nWindows Server, version 20H2 (Server Core Installation) \nWindows 10 Version 1607 for 32-bit Systems \nWindows 10 Version 1809 for x64-based Systems \nWindows Server 2012 (Server Core installation) \nWindows 10 Version 2004 for x64-based Systems \nWindows 10 Version 2004 for 32-bit Systems \nWindows 10 Version 1903 for x64-based Systems \nWindows 10 Version 1803 for x64-based Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows 10 for x64-based Systems \nWindows Server 2012 \nWindows Server 2016 (Server Core installation) \nWindows 7 for x64-based Systems Service Pack 1 \nWindows 8.1 for 32-bit systems \nWindows Server 2012 R2 \nWindows 10 Version 1903 for 32-bit Systems \nWindows Server 2016 \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows Server, version 2004 (Server Core installation) \nWindows 7 for 32-bit Systems Service Pack 1\n\n### *Solution*:\nInstall necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)\n\n### *Original advisories*:\n[CVE-2020-17043](<https://nvd.nist.gov/vuln/detail/CVE-2020-17043>) \n[CVE-2020-17069](<https://nvd.nist.gov/vuln/detail/CVE-2020-17069>) \n[CVE-2020-17087](<https://nvd.nist.gov/vuln/detail/CVE-2020-17087>) \n[CVE-2020-17088](<https://nvd.nist.gov/vuln/detail/CVE-2020-17088>) \n[CVE-2020-17045](<https://nvd.nist.gov/vuln/detail/CVE-2020-17045>) \n[CVE-2020-17051](<https://nvd.nist.gov/vuln/detail/CVE-2020-17051>) \n[CVE-2020-17047](<https://nvd.nist.gov/vuln/detail/CVE-2020-17047>) \n[CVE-2020-17042](<https://nvd.nist.gov/vuln/detail/CVE-2020-17042>) \n[CVE-2020-1599](<https://nvd.nist.gov/vuln/detail/CVE-2020-1599>) \n[CVE-2020-17044](<https://nvd.nist.gov/vuln/detail/CVE-2020-17044>) \n[CVE-2020-16997](<https://nvd.nist.gov/vuln/detail/CVE-2020-16997>) \n[CVE-2020-17014](<https://nvd.nist.gov/vuln/detail/CVE-2020-17014>) \n[CVE-2020-17038](<https://nvd.nist.gov/vuln/detail/CVE-2020-17038>) \n[CVE-2020-17011](<https://nvd.nist.gov/vuln/detail/CVE-2020-17011>) \n[CVE-2020-17029](<https://nvd.nist.gov/vuln/detail/CVE-2020-17029>) \n[CVE-2020-17000](<https://nvd.nist.gov/vuln/detail/CVE-2020-17000>) \n[CVE-2020-17001](<https://nvd.nist.gov/vuln/detail/CVE-2020-17001>) \n[CVE-2020-17068](<https://nvd.nist.gov/vuln/detail/CVE-2020-17068>) \n[CVE-2020-17036](<https://nvd.nist.gov/vuln/detail/CVE-2020-17036>) \n[CVE-2020-17004](<https://nvd.nist.gov/vuln/detail/CVE-2020-17004>) \n[CVE-2020-17049](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2020-17049>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Windows](<https://threats.kaspersky.com/en/product/Microsoft-Windows/>)\n\n### *CVE-IDS*:\n[CVE-2020-17043](<https://vulners.com/cve/CVE-2020-17043>)6.8High \n[CVE-2020-17069](<https://vulners.com/cve/CVE-2020-17069>)2.1Warning \n[CVE-2020-17087](<https://vulners.com/cve/CVE-2020-17087>)7.2High \n[CVE-2020-17088](<https://vulners.com/cve/CVE-2020-17088>)4.6Warning \n[CVE-2020-17045](<https://vulners.com/cve/CVE-2020-17045>)4.9Warning \n[CVE-2020-17047](<https://vulners.com/cve/CVE-2020-17047>)7.8Critical \n[CVE-2020-17042](<https://vulners.com/cve/CVE-2020-17042>)9.3Critical \n[CVE-2020-1599](<https://vulners.com/cve/CVE-2020-1599>)2.1Warning \n[CVE-2020-17044](<https://vulners.com/cve/CVE-2020-17044>)6.8High \n[CVE-2020-16997](<https://vulners.com/cve/CVE-2020-16997>)4.0Warning \n[CVE-2020-17014](<https://vulners.com/cve/CVE-2020-17014>)6.6High \n[CVE-2020-17038](<https://vulners.com/cve/CVE-2020-17038>)7.2High \n[CVE-2020-17011](<https://vulners.com/cve/CVE-2020-17011>)7.2High \n[CVE-2020-17029](<https://vulners.com/cve/CVE-2020-17029>)4.9Warning \n[CVE-2020-17000](<https://vulners.com/cve/CVE-2020-17000>)2.1Warning \n[CVE-2020-17001](<https://vulners.com/cve/CVE-2020-17001>)4.6Warning \n[CVE-2020-17068](<https://vulners.com/cve/CVE-2020-17068>)7.2High \n[CVE-2020-17036](<https://vulners.com/cve/CVE-2020-17036>)4.9Warning \n[CVE-2020-17004](<https://vulners.com/cve/CVE-2020-17004>)2.1Warning \n[CVE-2020-17049](<https://vulners.com/cve/CVE-2020-17049>)9.0Critical\n\n### *KB list*:\n[4586827](<http://support.microsoft.com/kb/4586827>) \n[4586817](<http://support.microsoft.com/kb/4586817>) \n[4586805](<http://support.microsoft.com/kb/4586805>) \n[4586807](<http://support.microsoft.com/kb/4586807>) \n[5004289](<http://support.microsoft.com/kb/5004289>) \n[5004307](<http://support.microsoft.com/kb/5004307>) \n[5004299](<http://support.microsoft.com/kb/5004299>) \n[5004305](<http://support.microsoft.com/kb/5004305>)\n\n### *Microsoft official advisories*:", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T00:00:00", "type": "kaspersky", "title": "KLA12003 Multiple vulnerabilities in Microsoft Products (ESU)", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1599", "CVE-2020-16997", "CVE-2020-17000", "CVE-2020-17001", "CVE-2020-17004", "CVE-2020-17011", "CVE-2020-17014", "CVE-2020-17029", "CVE-2020-17036", "CVE-2020-17038", "CVE-2020-17042", "CVE-2020-17043", "CVE-2020-17044", "CVE-2020-17045", "CVE-2020-17047", "CVE-2020-17049", "CVE-2020-17051", "CVE-2020-17068", "CVE-2020-17069", "CVE-2020-17087", "CVE-2020-17088"], "modified": "2023-09-28T00:00:00", "id": "KLA12003", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12003/", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-05-27T14:59:11", "description": "### *Detect date*:\n07/13/2021\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to cause denial of service, execute arbitrary code, gain privileges, bypass security restrictions, obtain sensitive information, spoof user interface.\n\n### *Exploitation*:\nMalware exists for this vulnerability. Usually such malware is classified as Exploit. [More details](<https://threats.kaspersky.com/en/class/Exploit/>).\n\n### *Affected products*:\nWindows 7 for 32-bit Systems Service Pack 1 \nWindows Server 2012 R2 (Server Core installation) \nWindows Server 2016 \nWindows 10 Version 1909 for x64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows 10 Version 21H1 for ARM64-based Systems \nWindows 10 Version 2004 for 32-bit Systems \nWindows Server 2012 \nWindows RT 8.1 \nWindows 10 Version 1909 for ARM64-based Systems \nWindows 10 for 32-bit Systems \nWindows 7 for x64-based Systems Service Pack 1 \nWindows 8.1 for x64-based systems \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 10 Version 2004 for x64-based Systems \nWindows 10 Version 21H1 for x64-based Systems \nWindows Server 2019 \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1809 for 32-bit Systems \nWindows 10 Version 1607 for x64-based Systems \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows Server 2016 (Server Core installation) \nWindows Server, version 1909 (Server Core installation) \nWindows 8.1 for 32-bit systems \nWindows Server 2012 (Server Core installation) \nWindows 10 Version 21H1 for 32-bit Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows Server 2012 R2 \nWindows 10 Version 1809 for ARM64-based Systems \nWindows 10 Version 2004 for ARM64-based Systems \nWindows 10 Version 20H2 for x64-based Systems \nWindows 10 Version 1607 for 32-bit Systems \nWindows 10 for x64-based Systems \nWindows 10 Version 20H2 for 32-bit Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows Server, version 2004 (Server Core installation) \nHEVC Video Extensions \nWindows Server, version 20H2 (Server Core Installation) \nWindows 10 Version 1809 for x64-based Systems\n\n### *Solution*:\nInstall necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)\n\n### *Original advisories*:\n[CVE-2021-33758](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33758>) \n[CVE-2021-34497](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34497>) \n[CVE-2021-34488](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34488>) \n[CVE-2021-33775](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33775>) \n[CVE-2021-34490](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34490>) \n[CVE-2021-34444](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34444>) \n[CVE-2021-33781](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33781>) \n[CVE-2021-34491](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34491>) \n[CVE-2021-34504](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34504>) \n[CVE-2021-34456](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34456>) \n[CVE-2021-33774](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33774>) \n[CVE-2021-34513](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34513>) \n[CVE-2021-33788](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33788>) \n[CVE-2021-33771](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33771>) \n[CVE-2021-34494](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34494>) \n[CVE-2021-34503](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34503>) \n[CVE-2021-34446](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34446>) \n[CVE-2021-33760](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33760>) \n[CVE-2021-31183](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-31183>) \n[CVE-2021-34510](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34510>) \n[CVE-2021-34493](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34493>) \n[CVE-2021-33761](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33761>) \n[CVE-2021-34459](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34459>) \n[CVE-2021-33744](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33744>) \n[CVE-2021-33755](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33755>) \n[CVE-2021-33745](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33745>) \n[CVE-2021-34440](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34440>) \n[CVE-2021-33749](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33749>) \n[CVE-2021-33764](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33764>) \n[CVE-2021-33743](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33743>) \n[CVE-2021-33757](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33757>) \n[CVE-2021-34489](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34489>) \n[CVE-2021-34441](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34441>) \n[CVE-2021-33784](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33784>) \n[CVE-2021-34525](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34525>) \n[CVE-2021-34507](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34507>) \n[CVE-2021-34516](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34516>) \n[CVE-2021-31947](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-31947>) \n[CVE-2021-33780](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33780>) \n[CVE-2021-34476](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34476>) \n[CVE-2021-34511](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34511>) \n[CVE-2021-34458](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34458>) \n[CVE-2021-34500](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34500>) \n[CVE-2021-34512](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34512>) \n[CVE-2021-34496](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34496>) \n[CVE-2021-34460](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34460>) \n[CVE-2021-33783](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33783>) \n[CVE-2021-34492](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34492>) \n[CVE-2021-33763](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33763>) \n[CVE-2021-33785](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33785>) \n[CVE-2021-34442](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34442>) \n[CVE-2021-33765](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33765>) \n[CVE-2021-34450](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34450>) \n[CVE-2021-33786](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33786>) \n[CVE-2021-34461](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34461>) \n[CVE-2021-34462](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34462>) \n[CVE-2021-34466](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34466>) \n[CVE-2021-33754](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33754>) \n[CVE-2021-33752](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33752>) \n[CVE-2021-33750](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33750>) \n[CVE-2021-33776](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33776>) \n[CVE-2021-33759](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33759>) \n[CVE-2021-33779](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33779>) \n[CVE-2021-31979](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-31979>) \n[CVE-2021-33756](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33756>) \n[CVE-2021-34509](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34509>) \n[CVE-2021-34508](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34508>) \n[CVE-2021-33751](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33751>) \n[CVE-2021-34449](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34449>) \n[CVE-2021-33777](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33777>) \n[CVE-2021-34448](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34448>) \n[CVE-2021-34499](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34499>) \n[CVE-2021-34438](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34438>) \n[CVE-2021-34457](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34457>) \n[CVE-2021-34445](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34445>) \n[CVE-2021-31961](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-31961>) \n[CVE-2021-34455](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34455>) \n[CVE-2021-33772](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33772>) \n[CVE-2021-33746](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33746>) \n[CVE-2021-34498](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34498>) \n[CVE-2021-34447](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34447>) \n[CVE-2021-34521](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34521>) \n[CVE-2021-33778](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33778>) \n[CVE-2021-34439](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34439>) \n[CVE-2021-33740](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33740>) \n[CVE-2021-33782](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33782>) \n[CVE-2021-34514](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34514>) \n[CVE-2021-34454](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-34454>) \n[CVE-2021-33773](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-33773>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Windows](<https://threats.kaspersky.com/en/product/Microsoft-Windows/>)\n\n### *CVE-IDS*:\n[CVE-2021-33758](<https://vulners.com/cve/CVE-2021-33758>)4.0Warning \n[CVE-2021-34497](<https://vulners.com/cve/CVE-2021-34497>)6.8High \n[CVE-2021-34488](<https://vulners.com/cve/CVE-2021-34488>)4.6Warning \n[CVE-2021-33775](<https://vulners.com/cve/CVE-2021-33775>)6.8High \n[CVE-2021-34490](<https://vulners.com/cve/CVE-2021-34490>)5.0Critical \n[CVE-2021-34444](<https://vulners.com/cve/CVE-2021-34444>)4.0Warning \n[CVE-2021-33781](<https://vulners.com/cve/CVE-2021-33781>)5.5High \n[CVE-2021-34491](<https://vulners.com/cve/CVE-2021-34491>)4.9Warning \n[CVE-2021-34504](<https://vulners.com/cve/CVE-2021-34504>)6.8High \n[CVE-2021-34456](<https://vulners.com/cve/CVE-2021-34456>)4.6Warning \n[CVE-2021-33774](<https://vulners.com/cve/CVE-2021-33774>)4.6Warning \n[CVE-2021-34513](<https://vulners.com/cve/CVE-2021-34513>)7.2High \n[CVE-2021-33788](<https://vulners.com/cve/CVE-2021-33788>)5.0Critical \n[CVE-2021-33771](<https://vulners.com/cve/CVE-2021-33771>)7.2High \n[CVE-2021-34494](<https://vulners.com/cve/CVE-2021-34494>)6.5High \n[CVE-2021-34503](<https://vulners.com/cve/CVE-2021-34503>)6.8High \n[CVE-2021-34446](<https://vulners.com/cve/CVE-2021-34446>)6.8High \n[CVE-2021-33760](<https://vulners.com/cve/CVE-2021-33760>)2.1Warning \n[CVE-2021-31183](<https://vulners.com/cve/CVE-2021-31183>)5.0Critical \n[CVE-2021-34510](<https://vulners.com/cve/CVE-2021-34510>)4.6Warning \n[CVE-2021-34493](<https://vulners.com/cve/CVE-2021-34493>)4.6Warning \n[CVE-2021-33761](<https://vulners.com/cve/CVE-2021-33761>)4.6Warning \n[CVE-2021-34459](<https://vulners.com/cve/CVE-2021-34459>)4.6Warning \n[CVE-2021-33744](<https://vulners.com/cve/CVE-2021-33744>)7.2High \n[CVE-2021-33755](<https://vulners.com/cve/CVE-2021-33755>)5.0Critical \n[CVE-2021-33745](<https://vulners.com/cve/CVE-2021-33745>)4.0Warning \n[CVE-2021-34440](<https://vulners.com/cve/CVE-2021-34440>)2.1Warning \n[CVE-2021-33749](<https://vulners.com/cve/CVE-2021-33749>)6.8High \n[CVE-2021-33764](<https://vulners.com/cve/CVE-2021-33764>)4.3Warning \n[CVE-2021-33743](<https://vulners.com/cve/CVE-2021-33743>)4.6Warning \n[CVE-2021-33757](<https://vulners.com/cve/CVE-2021-33757>)7.5Critical \n[CVE-2021-34489](<https://vulners.com/cve/CVE-2021-34489>)6.8High \n[CVE-2021-34441](<https://vulners.com/cve/CVE-2021-34441>)6.8High \n[CVE-2021-33784](<https://vulners.com/cve/CVE-2021-33784>)4.6Warning \n[CVE-2021-34525](<https://vulners.com/cve/CVE-2021-34525>)6.5High \n[CVE-2021-34507](<https://vulners.com/cve/CVE-2021-34507>)4.3Warning \n[CVE-2021-34516](<https://vulners.com/cve/CVE-2021-34516>)4.6Warning \n[CVE-2021-31947](<https://vulners.com/cve/CVE-2021-31947>)6.8High \n[CVE-2021-33780](<https://vulners.com/cve/CVE-2021-33780>)6.5High \n[CVE-2021-34476](<https://vulners.com/cve/CVE-2021-34476>)5.0Critical \n[CVE-2021-34511](<https://vulners.com/cve/CVE-2021-34511>)4.6Warning \n[CVE-2021-34458](<https://vulners.com/cve/CVE-2021-34458>)9.0Critical \n[CVE-2021-34500](<https://vulners.com/cve/CVE-2021-34500>)4.0Warning \n[CVE-2021-34512](<https://vulners.com/cve/CVE-2021-34512>)7.2High \n[CVE-2021-34496](<https://vulners.com/cve/CVE-2021-34496>)2.1Warning \n[CVE-2021-34460](<https://vulners.com/cve/CVE-2021-34460>)4.6Warning \n[CVE-2021-33783](<https://vulners.com/cve/CVE-2021-33783>)4.0Warning \n[CVE-2021-34492](<https://vulners.com/cve/CVE-2021-34492>)5.8High \n[CVE-2021-33763](<https://vulners.com/cve/CVE-2021-33763>)2.1Warning \n[CVE-2021-33785](<https://vulners.com/cve/CVE-2021-33785>)5.0Critical \n[CVE-2021-34442](<https://vulners.com/cve/CVE-2021-34442>)5.0Critical \n[CVE-2021-33765](<https://vulners.com/cve/CVE-2021-33765>)2.1Warning \n[CVE-2021-34450](<https://vulners.com/cve/CVE-2021-34450>)9.0Critical \n[CVE-2021-33786](<https://vulners.com/cve/CVE-2021-33786>)6.5High \n[CVE-2021-34461](<https://vulners.com/cve/CVE-2021-34461>)4.6Warning \n[CVE-2021-34462](<https://vulners.com/cve/CVE-2021-34462>)4.6Warning \n[CVE-2021-34466](<https://vulners.com/cve/CVE-2021-34466>)3.6Warning \n[CVE-2021-33754](<https://vulners.com/cve/CVE-2021-33754>)6.0High \n[CVE-2021-33752](<https://vulners.com/cve/CVE-2021-33752>)6.8High \n[CVE-2021-33750](<https://vulners.com/cve/CVE-2021-33750>)6.8High \n[CVE-2021-33776](<https://vulners.com/cve/CVE-2021-33776>)6.8High \n[CVE-2021-33759](<https://vulners.com/cve/CVE-2021-33759>)4.6Warning \n[CVE-2021-33779](<https://vulners.com/cve/CVE-2021-33779>)5.5High \n[CVE-2021-31979](<https://vulners.com/cve/CVE-2021-31979>)7.2High \n[CVE-2021-33756](<https://vulners.com/cve/CVE-2021-33756>)6.8High \n[CVE-2021-34509](<https://vulners.com/cve/CVE-2021-34509>)2.1Warning \n[CVE-2021-34508](<https://vulners.com/cve/CVE-2021-34508>)6.5High \n[CVE-2021-33751](<https://vulners.com/cve/CVE-2021-33751>)4.6Warning \n[CVE-2021-34449](<https://vulners.com/cve/CVE-2021-34449>)4.6Warning \n[CVE-2021-33777](<https://vulners.com/cve/CVE-2021-33777>)6.8High \n[CVE-2021-34448](<https://vulners.com/cve/CVE-2021-34448>)9.3Critical \n[CVE-2021-34499](<https://vulners.com/cve/CVE-2021-34499>)4.0Warning \n[CVE-2021-34438](<https://vulners.com/cve/CVE-2021-34438>)6.8High \n[CVE-2021-34457](<https://vulners.com/cve/CVE-2021-34457>)2.1Warning \n[CVE-2021-34445](<https://vulners.com/cve/CVE-2021-34445>)4.6Warning \n[CVE-2021-31961](<https://vulners.com/cve/CVE-2021-31961>)3.6Warning \n[CVE-2021-34455](<https://vulners.com/cve/CVE-2021-34455>)4.6Warning \n[CVE-2021-33772](<https://vulners.com/cve/CVE-2021-33772>)5.0Critical \n[CVE-2021-33746](<https://vulners.com/cve/CVE-2021-33746>)6.5High \n[CVE-2021-34498](<https://vulners.com/cve/CVE-2021-34498>)7.2High \n[CVE-2021-34447](<https://vulners.com/cve/CVE-2021-34447>)6.8High \n[CVE-2021-34521](<https://vulners.com/cve/CVE-2021-34521>)6.8High \n[CVE-2021-33778](<https://vulners.com/cve/CVE-2021-33778>)6.8High \n[CVE-2021-34439](<https://vulners.com/cve/CVE-2021-34439>)9.3Critical \n[CVE-2021-33740](<https://vulners.com/cve/CVE-2021-33740>)9.3Critical \n[CVE-2021-33782](<https://vulners.com/cve/CVE-2021-33782>)4.3Warning \n[CVE-2021-34514](<https://vulners.com/cve/CVE-2021-34514>)7.2High \n[CVE-2021-34454](<https://vulners.com/cve/CVE-2021-34454>)2.1Warning \n[CVE-2021-33773](<https://vulners.com/cve/CVE-2021-33773>)4.6Warning\n\n### *KB list*:\n[5004238](<http://support.microsoft.com/kb/5004238>) \n[5004302](<http://support.microsoft.com/kb/5004302>) \n[5004294](<http://support.microsoft.com/kb/5004294>) \n[5004237](<http://support.microsoft.com/kb/5004237>) \n[5004244](<http://support.microsoft.com/kb/5004244>) \n[5004298](<http://support.microsoft.com/kb/5004298>) \n[5004285](<http://support.microsoft.com/kb/5004285>) \n[5004249](<http://support.microsoft.com/kb/5004249>) \n[5004245](<http://support.microsoft.com/kb/5004245>) \n[5005563](<http://support.microsoft.com/kb/5005563>) \n[5006674](<http://support.microsoft.com/kb/5006674>) \n[5006669](<http://support.microsoft.com/kb/5006669>) \n[5010419](<http://support.microsoft.com/kb/5010419>) \n[5010395](<http://support.microsoft.com/kb/5010395>) \n[5010358](<http://support.microsoft.com/kb/5010358>) \n[5010359](<http://support.microsoft.com/kb/5010359>) \n[5010392](<http://support.microsoft.com/kb/5010392>) \n[5010412](<http://support.microsoft.com/kb/5010412>)\n\n### *Microsoft official advisories*:", "cvss3": {"exploitabilityScore": 3.1, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 9.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-07-13T00:00:00", "type": "kaspersky", "title": "KLA12221 Multiple vulnerabillities in Microsoft Windows", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31183", "CVE-2021-31947", "CVE-2021-31961", "CVE-2021-31979", "CVE-2021-33740", "CVE-2021-33743", "CVE-2021-33744", "CVE-2021-33745", "CVE-2021-33746", "CVE-2021-33749", "CVE-2021-33750", "CVE-2021-33751", "CVE-2021-33752", "CVE-2021-33754", "CVE-2021-33755", "CVE-2021-33756", "CVE-2021-33757", "CVE-2021-33758", "CVE-2021-33759", "CVE-2021-33760", "CVE-2021-33761", "CVE-2021-33763", "CVE-2021-33764", "CVE-2021-33765", "CVE-2021-33771", "CVE-2021-33772", "CVE-2021-33773", "CVE-2021-33774", "CVE-2021-33775", "CVE-2021-33776", "CVE-2021-33777", "CVE-2021-33778", "CVE-2021-33779", "CVE-2021-33780", "CVE-2021-33781", "CVE-2021-33782", "CVE-2021-33783", "CVE-2021-33784", "CVE-2021-33785", "CVE-2021-33786", "CVE-2021-33788", "CVE-2021-34438", "CVE-2021-34439", "CVE-2021-34440", "CVE-2021-34441", "CVE-2021-34442", "CVE-2021-34444", "CVE-2021-34445", "CVE-2021-34446", "CVE-2021-34447", "CVE-2021-34448", "CVE-2021-34449", "CVE-2021-34450", "CVE-2021-34454", "CVE-2021-34455", "CVE-2021-34456", "CVE-2021-34457", "CVE-2021-34458", "CVE-2021-34459", "CVE-2021-34460", "CVE-2021-34461", "CVE-2021-34462", "CVE-2021-34466", "CVE-2021-34476", "CVE-2021-34488", "CVE-2021-34489", "CVE-2021-34490", "CVE-2021-34491", "CVE-2021-34492", "CVE-2021-34493", "CVE-2021-34494", "CVE-2021-34496", "CVE-2021-34497", "CVE-2021-34498", "CVE-2021-34499", "CVE-2021-34500", "CVE-2021-34503", "CVE-2021-34504", "CVE-2021-34507", "CVE-2021-34508", "CVE-2021-34509", "CVE-2021-34510", "CVE-2021-34511", "CVE-2021-34512", "CVE-2021-34513", "CVE-2021-34514", "CVE-2021-34516", "CVE-2021-34521", "CVE-2021-34525"], "modified": "2022-05-24T00:00:00", "id": "KLA12221", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12221/", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-09-28T15:15:34", "description": "### *Detect date*:\n11/10/2020\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to obtain sensitive information, execute arbitrary code, gain privileges, bypass security restrictions, cause denial of service, spoof user interface.\n\n### *Exploitation*:\nPublic exploits exist for this vulnerability.\n\n### *Affected products*:\nWindows 10 Version 1909 for ARM64-based Systems \nWindows Server 2019 \nWindows 10 Version 1903 for ARM64-based Systems \nWindows 8.1 for x64-based systems \nWindows Server, version 1903 (Server Core installation) \nRaw Image Extension \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows 10 Version 1809 for ARM64-based Systems \nWindows 10 Version 1803 for 32-bit Systems \nWindows Server 2012 R2 (Server Core installation) \nWindows 10 Version 1607 for x64-based Systems \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1809 for 32-bit Systems \nWindows Server, version 1909 (Server Core installation) \nWindows 10 Version 20H2 for x64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 10 for 32-bit Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows 10 Version 2004 for ARM64-based Systems \nAV1 Video Extension \nWindows 10 Version 20H2 for 32-bit Systems \nWindows 10 Version 1909 for x64-based Systems \nWindows RT 8.1 \nWebP Image Extension \nWindows 10 Version 1803 for ARM64-based Systems \nWindows Server, version 20H2 (Server Core Installation) \nWindows 10 Version 1607 for 32-bit Systems \nWindows 10 Version 1809 for x64-based Systems \nWindows Server 2012 (Server Core installation) \nWindows 10 Version 2004 for x64-based Systems \nWindows 10 Version 2004 for 32-bit Systems \nWindows 10 Version 1903 for x64-based Systems \nWindows 10 Version 1803 for x64-based Systems \nHEVC Video Extensions \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows 10 for x64-based Systems \nWindows Server 2012 \nHEIF Image Extension \nWindows Server 2016 (Server Core installation) \nWindows 7 for x64-based Systems Service Pack 1 \nWindows 8.1 for 32-bit systems \nWindows Server 2012 R2 \nWindows 10 Version 1903 for 32-bit Systems \nWindows Server 2016 \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows Server, version 2004 (Server Core installation) \nWindows 7 for 32-bit Systems Service Pack 1\n\n### *Solution*:\nInstall necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)\n\n### *Original advisories*:\n[CVE-2020-17081](<https://nvd.nist.gov/vuln/detail/CVE-2020-17081>) \n[CVE-2020-17082](<https://nvd.nist.gov/vuln/detail/CVE-2020-17082>) \n[CVE-2020-17075](<https://nvd.nist.gov/vuln/detail/CVE-2020-17075>) \n[CVE-2020-17049](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2020-17049>) \n[CVE-2020-17086](<https://nvd.nist.gov/vuln/detail/CVE-2020-17086>) \n[CVE-2020-17087](<https://nvd.nist.gov/vuln/detail/CVE-2020-17087>) \n[CVE-2020-17088](<https://nvd.nist.gov/vuln/detail/CVE-2020-17088>) \n[CVE-2020-17045](<https://nvd.nist.gov/vuln/detail/CVE-2020-17045>) \n[CVE-2020-17046](<https://nvd.nist.gov/vuln/detail/CVE-2020-17046>) \n[CVE-2020-17047](<https://nvd.nist.gov/vuln/detail/CVE-2020-17047>) \n[CVE-2020-17040](<https://nvd.nist.gov/vuln/detail/CVE-2020-17040>) \n[CVE-2020-17041](<https://nvd.nist.gov/vuln/detail/CVE-2020-17041>) \n[CVE-2020-17042](<https://nvd.nist.gov/vuln/detail/CVE-2020-17042>) \n[CVE-2020-17043](<https://nvd.nist.gov/vuln/detail/CVE-2020-17043>) \n[CVE-2020-17101](<https://nvd.nist.gov/vuln/detail/CVE-2020-17101>) \n[CVE-2020-17026](<https://nvd.nist.gov/vuln/detail/CVE-2020-17026>) \n[CVE-2020-17102](<https://nvd.nist.gov/vuln/detail/CVE-2020-17102>) \n[CVE-2020-17106](<https://nvd.nist.gov/vuln/detail/CVE-2020-17106>) \n[CVE-2020-17028](<https://nvd.nist.gov/vuln/detail/CVE-2020-17028>) \n[CVE-2020-17029](<https://nvd.nist.gov/vuln/detail/CVE-2020-17029>) \n[CVE-2020-17000](<https://nvd.nist.gov/vuln/detail/CVE-2020-17000>) \n[CVE-2020-17001](<https://nvd.nist.gov/vuln/detail/CVE-2020-17001>) \n[CVE-2020-17024](<https://nvd.nist.gov/vuln/detail/CVE-2020-17024>) \n[CVE-2020-17025](<https://nvd.nist.gov/vuln/detail/CVE-2020-17025>) \n[CVE-2020-17004](<https://nvd.nist.gov/vuln/detail/CVE-2020-17004>) \n[CVE-2020-17068](<https://nvd.nist.gov/vuln/detail/CVE-2020-17068>) \n[CVE-2020-17007](<https://nvd.nist.gov/vuln/detail/CVE-2020-17007>) \n[CVE-2020-17069](<https://nvd.nist.gov/vuln/detail/CVE-2020-17069>) \n[CVE-2020-16999](<https://nvd.nist.gov/vuln/detail/CVE-2020-16999>) \n[CVE-2020-17038](<https://nvd.nist.gov/vuln/detail/CVE-2020-17038>) \n[CVE-2020-17034](<https://nvd.nist.gov/vuln/detail/CVE-2020-17034>) \n[CVE-2020-1599](<https://nvd.nist.gov/vuln/detail/CVE-2020-1599>) \n[CVE-2020-17044](<https://nvd.nist.gov/vuln/detail/CVE-2020-17044>) \n[CVE-2020-17109](<https://nvd.nist.gov/vuln/detail/CVE-2020-17109>) \n[CVE-2020-17033](<https://nvd.nist.gov/vuln/detail/CVE-2020-17033>) \n[CVE-2020-17090](<https://nvd.nist.gov/vuln/detail/CVE-2020-17090>) \n[CVE-2020-17027](<https://nvd.nist.gov/vuln/detail/CVE-2020-17027>) \n[CVE-2020-17030](<https://nvd.nist.gov/vuln/detail/CVE-2020-17030>) \n[CVE-2020-17051](<https://nvd.nist.gov/vuln/detail/CVE-2020-17051>) \n[CVE-2020-17057](<https://nvd.nist.gov/vuln/detail/CVE-2020-17057>) \n[CVE-2020-17056](<https://nvd.nist.gov/vuln/detail/CVE-2020-17056>) \n[CVE-2020-17055](<https://nvd.nist.gov/vuln/detail/CVE-2020-17055>) \n[CVE-2020-17108](<https://nvd.nist.gov/vuln/detail/CVE-2020-17108>) \n[CVE-2020-17070](<https://nvd.nist.gov/vuln/detail/CVE-2020-17070>) \n[CVE-2020-17073](<https://nvd.nist.gov/vuln/detail/CVE-2020-17073>) \n[CVE-2020-17014](<https://nvd.nist.gov/vuln/detail/CVE-2020-17014>) \n[CVE-2020-17013](<https://nvd.nist.gov/vuln/detail/CVE-2020-17013>) \n[CVE-2020-17074](<https://nvd.nist.gov/vuln/detail/CVE-2020-17074>) \n[CVE-2020-17011](<https://nvd.nist.gov/vuln/detail/CVE-2020-17011>) \n[CVE-2020-17010](<https://nvd.nist.gov/vuln/detail/CVE-2020-17010>) \n[CVE-2020-17035](<https://nvd.nist.gov/vuln/detail/CVE-2020-17035>) \n[CVE-2020-17078](<https://nvd.nist.gov/vuln/detail/CVE-2020-17078>) \n[CVE-2020-17037](<https://nvd.nist.gov/vuln/detail/CVE-2020-17037>) \n[CVE-2020-17036](<https://nvd.nist.gov/vuln/detail/CVE-2020-17036>) \n[CVE-2020-17031](<https://nvd.nist.gov/vuln/detail/CVE-2020-17031>) \n[CVE-2020-16998](<https://nvd.nist.gov/vuln/detail/CVE-2020-16998>) \n[CVE-2020-17076](<https://nvd.nist.gov/vuln/detail/CVE-2020-17076>) \n[CVE-2020-17032](<https://nvd.nist.gov/vuln/detail/CVE-2020-17032>) \n[CVE-2020-16997](<https://nvd.nist.gov/vuln/detail/CVE-2020-16997>) \n[CVE-2020-17071](<https://nvd.nist.gov/vuln/detail/CVE-2020-17071>) \n[CVE-2020-17113](<https://nvd.nist.gov/vuln/detail/CVE-2020-17113>) \n[CVE-2020-17077](<https://nvd.nist.gov/vuln/detail/CVE-2020-17077>) \n[CVE-2020-17110](<https://nvd.nist.gov/vuln/detail/CVE-2020-17110>) \n[CVE-2020-17107](<https://nvd.nist.gov/vuln/detail/CVE-2020-17107>) \n[CVE-2020-17105](<https://nvd.nist.gov/vuln/detail/CVE-2020-17105>) \n[CVE-2020-17079](<https://nvd.nist.gov/vuln/detail/CVE-2020-17079>) \n[CVE-2020-17012](<https://nvd.nist.gov/vuln/detail/CVE-2020-17012>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Windows Server 2012](<https://threats.kaspersky.com/en/product/Microsoft-Windows-Server-2012/>)\n\n### *CVE-IDS*:\n[CVE-2020-17043](<https://vulners.com/cve/CVE-2020-17043>)6.8High \n[CVE-2020-17069](<https://vulners.com/cve/CVE-2020-17069>)2.1Warning \n[CVE-2020-17087](<https://vulners.com/cve/CVE-2020-17087>)7.2High \n[CVE-2020-17088](<https://vulners.com/cve/CVE-2020-17088>)4.6Warning \n[CVE-2020-17045](<https://vulners.com/cve/CVE-2020-17045>)4.9Warning \n[CVE-2020-17047](<https://vulners.com/cve/CVE-2020-17047>)7.8Critical \n[CVE-2020-17042](<https://vulners.com/cve/CVE-2020-17042>)9.3Critical \n[CVE-2020-1599](<https://vulners.com/cve/CVE-2020-1599>)2.1Warning \n[CVE-2020-17044](<https://vulners.com/cve/CVE-2020-17044>)6.8High \n[CVE-2020-16997](<https://vulners.com/cve/CVE-2020-16997>)4.0Warning \n[CVE-2020-17014](<https://vulners.com/cve/CVE-2020-17014>)6.6High \n[CVE-2020-17038](<https://vulners.com/cve/CVE-2020-17038>)7.2High \n[CVE-2020-17011](<https://vulners.com/cve/CVE-2020-17011>)7.2High \n[CVE-2020-17029](<https://vulners.com/cve/CVE-2020-17029>)4.9Warning \n[CVE-2020-17000](<https://vulners.com/cve/CVE-2020-17000>)2.1Warning \n[CVE-2020-17001](<https://vulners.com/cve/CVE-2020-17001>)4.6Warning \n[CVE-2020-17068](<https://vulners.com/cve/CVE-2020-17068>)7.2High \n[CVE-2020-17036](<https://vulners.com/cve/CVE-2020-17036>)4.9Warning \n[CVE-2020-17004](<https://vulners.com/cve/CVE-2020-17004>)2.1Warning \n[CVE-2020-17081](<https://vulners.com/cve/CVE-2020-17081>)5.0Warning \n[CVE-2020-17082](<https://vulners.com/cve/CVE-2020-17082>)7.5Critical \n[CVE-2020-17075](<https://vulners.com/cve/CVE-2020-17075>)4.6Warning \n[CVE-2020-17049](<https://vulners.com/cve/CVE-2020-17049>)9.0Critical \n[CVE-2020-17086](<https://vulners.com/cve/CVE-2020-17086>)7.5Critical \n[CVE-2020-17046](<https://vulners.com/cve/CVE-2020-17046>)4.9Warning \n[CVE-2020-17040](<https://vulners.com/cve/CVE-2020-17040>)7.5Critical \n[CVE-2020-17041](<https://vulners.com/cve/CVE-2020-17041>)7.2High \n[CVE-2020-17101](<https://vulners.com/cve/CVE-2020-17101>)4.6Warning \n[CVE-2020-17026](<https://vulners.com/cve/CVE-2020-17026>)4.6Warning \n[CVE-2020-17102](<https://vulners.com/cve/CVE-2020-17102>)2.1Warning \n[CVE-2020-17106](<https://vulners.com/cve/CVE-2020-17106>)9.3Critical \n[CVE-2020-17028](<https://vulners.com/cve/CVE-2020-17028>)4.6Warning \n[CVE-2020-17024](<https://vulners.com/cve/CVE-2020-17024>)7.2High \n[CVE-2020-17025](<https://vulners.com/cve/CVE-2020-17025>)4.6Warning \n[CVE-2020-17007](<https://vulners.com/cve/CVE-2020-17007>)4.6Warning \n[CVE-2020-16999](<https://vulners.com/cve/CVE-2020-16999>)2.1Warning \n[CVE-2020-17034](<https://vulners.com/cve/CVE-2020-17034>)4.6Warning \n[CVE-2020-17109](<https://vulners.com/cve/CVE-2020-17109>)9.3Critical \n[CVE-2020-17033](<https://vulners.com/cve/CVE-2020-17033>)4.6Warning \n[CVE-2020-17090](<https://vulners.com/cve/CVE-2020-17090>)7.5Critical \n[CVE-2020-17027](<https://vulners.com/cve/CVE-2020-17027>)4.6Warning \n[CVE-2020-17030](<https://vulners.com/cve/CVE-2020-17030>)4.9Warning \n[CVE-2020-17057](<https://vulners.com/cve/CVE-2020-17057>)7.2High \n[CVE-2020-17056](<https://vulners.com/cve/CVE-2020-17056>)2.1Warning \n[CVE-2020-17055](<https://vulners.com/cve/CVE-2020-17055>)6.8High \n[CVE-2020-17108](<https://vulners.com/cve/CVE-2020-17108>)9.3Critical \n[CVE-2020-17070](<https://vulners.com/cve/CVE-2020-17070>)7.2High \n[CVE-2020-17073](<https://vulners.com/cve/CVE-2020-17073>)4.6Warning \n[CVE-2020-17013](<https://vulners.com/cve/CVE-2020-17013>)2.1Warning \n[CVE-2020-17074](<https://vulners.com/cve/CVE-2020-17074>)7.2High \n[CVE-2020-17010](<https://vulners.com/cve/CVE-2020-17010>)7.2High \n[CVE-2020-17035](<https://vulners.com/cve/CVE-2020-17035>)7.2High \n[CVE-2020-17078](<https://vulners.com/cve/CVE-2020-17078>)7.5Critical \n[CVE-2020-17037](<https://vulners.com/cve/CVE-2020-17037>)7.2High \n[CVE-2020-17031](<https://vulners.com/cve/CVE-2020-17031>)4.6Warning \n[CVE-2020-16998](<https://vulners.com/cve/CVE-2020-16998>)4.6Warning \n[CVE-2020-17076](<https://vulners.com/cve/CVE-2020-17076>)7.2High \n[CVE-2020-17032](<https://vulners.com/cve/CVE-2020-17032>)4.6Warning \n[CVE-2020-17071](<https://vulners.com/cve/CVE-2020-17071>)2.1Warning \n[CVE-2020-17113](<https://vulners.com/cve/CVE-2020-17113>)2.1Warning \n[CVE-2020-17077](<https://vulners.com/cve/CVE-2020-17077>)7.2High \n[CVE-2020-17110](<https://vulners.com/cve/CVE-2020-17110>)9.3Critical \n[CVE-2020-17107](<https://vulners.com/cve/CVE-2020-17107>)9.3Critical \n[CVE-2020-17079](<https://vulners.com/cve/CVE-2020-17079>)7.5Critical \n[CVE-2020-17012](<https://vulners.com/cve/CVE-2020-17012>)4.6Warning\n\n### *KB list*:\n[4586785](<http://support.microsoft.com/kb/4586785>) \n[4586793](<http://support.microsoft.com/kb/4586793>) \n[4586787](<http://support.microsoft.com/kb/4586787>) \n[4586786](<http://support.microsoft.com/kb/4586786>) \n[4586781](<http://support.microsoft.com/kb/4586781>) \n[4586834](<http://support.microsoft.com/kb/4586834>) \n[4586830](<http://support.microsoft.com/kb/4586830>) \n[4586845](<http://support.microsoft.com/kb/4586845>) \n[4586808](<http://support.microsoft.com/kb/4586808>) \n[4586823](<http://support.microsoft.com/kb/4586823>) \n[4592449](<http://support.microsoft.com/kb/4592449>) \n[4598278](<http://support.microsoft.com/kb/4598278>) \n[4598297](<http://support.microsoft.com/kb/4598297>) \n[5001337](<http://support.microsoft.com/kb/5001337>) \n[5004238](<http://support.microsoft.com/kb/5004238>) \n[5004302](<http://support.microsoft.com/kb/5004302>) \n[5004294](<http://support.microsoft.com/kb/5004294>) \n[5004237](<http://support.microsoft.com/kb/5004237>) \n[5004244](<http://support.microsoft.com/kb/5004244>) \n[5004298](<http://support.microsoft.com/kb/5004298>) \n[5004285](<http://support.microsoft.com/kb/5004285>)\n\n### *Microsoft official advisories*:", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2020-11-10T00:00:00", "type": "kaspersky", "title": "KLA12004 Multiple vulnerabilities in Microsoft Windows", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1599", "CVE-2020-16997", "CVE-2020-16998", "CVE-2020-16999", "CVE-2020-17000", "CVE-2020-17001", "CVE-2020-17004", "CVE-2020-17007", "CVE-2020-17010", "CVE-2020-17011", "CVE-2020-17012", "CVE-2020-17013", "CVE-2020-17014", "CVE-2020-17024", "CVE-2020-17025", "CVE-2020-17026", "CVE-2020-17027", "CVE-2020-17028", "CVE-2020-17029", "CVE-2020-17030", "CVE-2020-17031", "CVE-2020-17032", "CVE-2020-17033", "CVE-2020-17034", "CVE-2020-17035", "CVE-2020-17036", "CVE-2020-17037", "CVE-2020-17038", "CVE-2020-17040", "CVE-2020-17041", "CVE-2020-17042", "CVE-2020-17043", "CVE-2020-17044", "CVE-2020-17045", "CVE-2020-17046", "CVE-2020-17047", "CVE-2020-17049", "CVE-2020-17051", "CVE-2020-17055", "CVE-2020-17056", "CVE-2020-17057", "CVE-2020-17068", "CVE-2020-17069", "CVE-2020-17070", "CVE-2020-17071", "CVE-2020-17073", "CVE-2020-17074", "CVE-2020-17075", "CVE-2020-17076", "CVE-2020-17077", "CVE-2020-17078", "CVE-2020-17079", "CVE-2020-17081", "CVE-2020-17082", "CVE-2020-17086", "CVE-2020-17087", "CVE-2020-17088", "CVE-2020-17090", "CVE-2020-17101", "CVE-2020-17102", "CVE-2020-17105", "CVE-2020-17106", "CVE-2020-17107", "CVE-2020-17108", "CVE-2020-17109", "CVE-2020-17110", "CVE-2020-17113"], "modified": "2023-09-28T00:00:00", "id": "KLA12004", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12004/", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}], "gentoo": [{"lastseen": "2023-09-28T05:08:59", "description": "### Background\n\nSamba is a suite of SMB and CIFS client/server programs.\n\n### Description\n\nMultiple vulnerabilities have been discovered in Samba. Please review the CVE identifiers referenced below for details.\n\n### Impact\n\nPlease review the referenced CVE identifiers for details.\n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll Samba users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-fs/samba-4.18.4\"", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-09-17T00:00:00", "type": "gentoo", "title": "Samba: Multiple Vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2007-4559", "CVE-2016-2124", "CVE-2020-17049", "CVE-2020-25717", "CVE-2020-25718", "CVE-2020-25719", "CVE-2020-25721", "CVE-2020-25722", "CVE-2021-20251", "CVE-2021-20316", "CVE-2021-23192", "CVE-2021-3670", "CVE-2021-3738", "CVE-2021-44141", "CVE-2021-44142", "CVE-2022-0336", "CVE-2022-1615", "CVE-2022-2031", "CVE-2022-32742", "CVE-2022-32743", "CVE-2022-32744", "CVE-2022-32745", "CVE-2022-32746", "CVE-2022-3437", "CVE-2022-3592", "CVE-2022-37966", "CVE-2022-37967", "CVE-2022-38023", "CVE-2022-42898", "CVE-2022-45141", "CVE-2023-0225", "CVE-2023-0614", "CVE-2023-0922"], "modified": "2023-09-17T00:00:00", "id": "GLSA-202309-06", "href": "https://security.gentoo.org/glsa/202309-06", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}], "avleonov": [{"lastseen": "2021-01-30T22:26:39", "description": "In this episode I would like to make a status update of my [Vulristics project](<https://github.com/leonov-av/vulristics>). For those who don't know, in this project I retrieve publicly available vulnerability data and analyze it to better understand the severity of these vulnerabilities and better prioritize them. Currently, it is mainly about Microsoft Patch Tuesday vulnerabilities, but I have plans to go further. Also in this episode I want to demonstrate the new Vulristics features on Microsoft Patch Tuesday reports for October, November and December 2020.\n\n![Vulristics Vulnerability Scores, automated data collection and Microsoft Patch Tuesday Q4 2020](https://avleonov.com/wp-content/uploads/2021/01/bitmap.png)\n\n## Patch Tuesdays Automated Data Collection\n\nFirst of all, I dealt with the annoying collecting of the data for Microsoft Patch Tuesdays reports. Previously it took pretty long time. I had to go to Microsoft website and [search for CVE IDs](<https://msrc.microsoft.com/update-guide/vulnerability>). After that, I had to get the comments from various Vulnerability Management vendors and researchers blogs (Tenable, Qualys, Rapid7, ZDI). I wanted this to be as much automated as possible. I have added some code to make CVE search requests on the Microsoft website for a date range (including the second Tuesday of the month). I also figured out how to make searches on the Vulnerability Management vendors blogs. So, now to get a Microsoft Patch Tuesday report it's only necessary to set the year and month. \n\nSimple like this:\n \n \n import functions_report_ms_patch_tuesday_\n \n _functions_report_ms_patch_tuesday.make_ms_patch_tuesday_report(year=**\"2020\"**, month=**\"December\"**, rewrite_flag=True)\n\n## Vulristics Vulnerability Scoring (VVS)\n\nI decided that CVSS is not suitable for evaluating, sorting and comparing vulnerabilities. I needed something to automatically process hundreds vulnerabilities every month and to highlight the most critical ones. Finally, I decided to make my own scoring - Vulristics Vulnerability Scoring (VVS). \n\nDo you know the perfect formula for counting vulnerability criticality? Well, I don't. ![\ud83d\ude42](https://s.w.org/images/core/emoji/13.0.1/72x72/1f642.png) Any scoring that I can make will be subjective and will probably change over time. But at least I can make it transparent and easily changeable, so that everyone can make their own vulnerability scoring most appropriate for a particular organization.\n\nSuch scoring should consider \n\n * CVSS Base score \n * existence of the exploit\n * exploitability of the vulnerability in the wild\n * popularity of the vulnerable software \n * type of the vulnerability\n\nExamples: \n\n2\\. ![]( http://www.avleonov.com/vulnicons/eop.png) **Elevation of Privilege** - Windows Kernel Local ([CVE-2020-17087](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087>)) - Critical [628] \ncomponent| value| weight| comment \n---|---|---|--- \nExploited in the Wild| 1.0| 18| Exploitation in the wild is mentioned at Vulners ([AttackerKB](<https://vulners.com/attackerkb/AKB:B72B19ED-8E0B-4C11-9C2D-95A25BCC42A6>) object), [AttackerKB](<https://attackerkb.com/topics/y8mmBHc710/cve-2020-17087-windows-kernel-local-privilege-escalation-0day>), [Microsoft](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17087>) \nPublic Exploit Exists| 0| 17| Public exploit is NOT found at Vulners website \nCriticality of Vulnerability Type| 0.5| 15| Elevation of Privilege \nVulnerable Product is Common| 1.0| 14| Windows component \nCVSS Base Score| 0.7| 10| NVD Vulnerability Severity Rating is High \n3\\. ![]( http://www.avleonov.com/vulnicons/eop.png) **Elevation of Privilege** - Windows Print Spooler ([CVE-2020-17001](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17001>)) - Critical [614] \ncomponent| value| weight| comment \n---|---|---|--- \nExploited in the Wild| 0| 18| Exploitation in the wild is NOT found at Vulners, Microsoft and AttackerKB websites \nPublic Exploit Exists| 1.0| 17| Public exploit is found at Vulners ([Microsoft Windows Local Spooler Bypass](<https://vulners.com/PACKETSTORM/PACKETSTORM:160028>)) \nCriticality of Vulnerability Type| 0.5| 15| Elevation of Privilege \nVulnerable Product is Common| 1.0| 14| Windows component \nCVSS Base Score| 0.7| 10| NVD Vulnerability Severity Rating is High \n \n### Exploitablity in The Wild and Vulners\n\nThe really interesting thing was to detect if the vulnerability is being exploited in real attacks. I made a post in my telegram channel asking for ideas. We can't use Microsoft data directly because they do not update it after the initial vulnerability release. Other good sources are [AttackerKB by Rapid7](<https://attackerkb.com/>) and [US-CERT Bulletins](<https://us-cert.cisa.gov/ncas/current-activity/2020/10/29/microsoft-warns-continued-exploitation-cve-2020-1472>). \n\nI asked my friends from the Vulners team to add this feature and now you can [search for CVEs exploited in the wild](<https://vulners.com/search?query=enchantments.exploitation.wildExploited:true>) based on data from AttackerKB and US-CERT. \n\n![Vulners: Search for CVEs exploited in the wild](https://avleonov.com/wp-content/uploads/2020/12/InTheWild_vulners.png)\n\nAnd also this data is available in JSON format for the vulnerability:\n \n \n ... \n \"exploitation\": {\n \"wildExploited\": true,\n \"wildExploitedSources\": [\n {\n \"type\": \"cisa\",\n \"idList\": [\n \"CISA:2B970469D89016F563E142BE209443D8\",\n \"CISA:61F2653EF56231DB3AEC3A9E938133FE\",\n \"CISA:990FCFCEB1D9B60F5FAA47A1F537A3CB\"\n ]\n },\n {\n \"type\": \"attackerkb\",\n \"idList\": [\n \"AKB:7C5703D3-9E18-4F5C-A4D2-25E1F09B43CB\"\n ]\n }\n ],\n \"modified\": \"2020-12-25T13:57:26\"\n },\n ... \n \n\nI also added direct AttackerKB processing to Vulristics and some code to filter out false positives in "Exploitablity in The Wild".\n\n### VM Vendor's Comments \n\nWhat about VM Vendor's Comments? Firstly I thought that the existence of the comment from the vendor should be taken into consideration when counting the vulnerability score. But then I decided that it's a bad practice because the vendors are not who makes the criticality but they help you to test your scoring.\n\nFor example, if your score shows that some vulnerability is critical and vulnerability management vendors don't mention it, this means that your scoring has some flaws or the experts of VM vendor don't understand something. \n\n## Microsoft Patch Tuesdays Q4 2020\n\nNow let's take a look on the Vulrisctics Microsoft Patch Tuesday reports for October, November and December 2020.\n\n### October 2020\n\n * All vulnerabilities: 87\n * Urgent: 0\n * Critical: 2\n * High: 20\n * Medium: 63\n * Low: 2\n\nIt has been an interesting month. \n\nMost of the VM vendors and researchers focused on "**Remote Code Execution** - Windows TCP/IP ([CVE-2020-16898](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16898>)) - High [500]", dubbed "Bad Neighbor". It affects all supported versions of Windows OS, and maybe unsupported/earlier versions of Windows as well. Tenable wrote: "According to a blog post from McAfee, Microsoft Active Protections Program (MAPP) members were provided with a test script that successfully demonstrates exploitation of this vulnerability to cause a denial of service (DoS). While the test scenario does not provide the ability to pivot to RCE, an attacker could craft a wormable exploit to achieve RCE. While an additional bug would be required to craft an exploit, it is likely that we will see proof-of-concept (PoC) code released in the near future." However, there has been no news since October.\n\nBut there is a more critical vulnerability with a public exploit "**Remote Code Execution** - Microsoft SharePoint ([CVE-2020-16952](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16952>)) - Critical [640]". It was mentioned by all vendors, but without much emphasis.\n\nAnd the second critical vulnerability is "**Elevation of Privilege** - Windows COM Server ([CVE-2020-16916](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16916>)) - Critical [628]" for which there is a flag of exploitation in the wild in AttackerKB. How much can you believe it? Well AttackerKB is a crowdsourcing platform, so possibly it can be fake.\n\nFor many other vulnerabilities (including 19 RCEs), there are no exploits or signs of exploitation in the wild. Among them, much attention has been paid to RCE in Microsoft Outlook ([CVE-2020-16947](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16947>)). A quote from Tenable: "Because Outlook\u2019s Preview Pane is affected by this flaw, a user does not have to open the message in order for the vulnerability to be exploited. As Outlook is widely used for enterprise email, we highly recommend prioritizing the patching of this CVE."\n\n### November 2020\n\n * All vulnerabilities: 112\n * Urgent: 0\n * Critical: 3\n * High: 17\n * Medium: 90\n * Low: 2\n\n2 vulnerabilities were critical because there is information about them that they are Exploited in the wild. \n\nAll VM vendors initially did not notice "**Security Feature Bypass** - Kerberos KDC ([CVE-2020-17049](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17049>)) - Critical [709]", only ZDI wrote that they don't understand what it is: "What security feature in Kerberos is being bypassed? What is the likelihood?". But then a post appeared with a [detailed description of the exploitation](<https://blog.netspi.com/cve-2020-17049-kerberos-bronze-bit-attack/>). \n\nThe second critical is "**Elevation of Privilege** - Windows Kernel Local ([CVE-2020-17087](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17087>)) - Critical [628]". It was used to escape Google Chrome\u2019s sandbox in order to elevate privileges on the exploited system.\n\nThe third critical vulnerability "**Elevation of Privilege** - Windows Print Spooler ([CVE-2020-17001](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17001>)) - Critical [614]" has a public exploit at Vulners ([Microsoft Windows Local Spooler Bypass](<https://vulners.com/PACKETSTORM/160028>)) \n\nMost of the comments this month were about "**Remote Code Execution** - Windows Network File System ([CVE-2020-17051](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17051>)) - High [513]". A quote from Tenable: "In a blog post by McAfee, there is speculation about combining **CVE-2020-17051** with CVE-2020-17056, a remote kernel data read vulnerability in NFS, in order to bypass address space layout randomization (ASLR), which could increase the probability of a remote exploit". But in fact, we did not see any attacks or exploits for this vulnerability.\n\nAlso worth mentioning RCEs in\n\n * Microsoft Exchange Server ([CVE-2020-17083](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17083>), [CVE-2020-17084](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17084>))\n * Windows Print Spooler ([CVE-2020-17042](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17042>))\n * Microsoft Excel ([CVE-2020-17019](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17019>), [CVE-2020-17064](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17064>), [CVE-2020-17065](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17065>), [CVE-2020-17066](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17066>))\n * Microsoft SharePoint ([CVE-2020-17061](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17061>))\n * Microsoft Teams ([CVE-2020-17091](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17091>))\n\nBut we did not see any attacks or exploits for them either.\n\n### December 2020\n\n * All vulnerabilities: 58\n * Urgent: 0\n * Critical: 1\n * High: 23\n * Medium: 30\n * Low: 4\n\nThere were no vulnerabilities with exploits. \n\nThe critical is only "**Remote Code Execution** - Microsoft Exchange ([CVE-2020-17144](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144>)) - Critical [705]", because of AttackerKB. How realistic is this? You know, crowdsourcing. Rapid7: **CVE-2020-17144** which is another remote code execution vulnerability also stemming from improper validation for cmdlet arguments, this one only affects Exchange Server 2010 SP3 and does require additional user interaction to successfully execute". Besides this, there were many other Microsoft Exchange RCEs ([CVE-2020-17117](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17117>), [CVE-2020-17132](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17132>), [CVE-2020-17141](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17141>), [CVE-2020-17142](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17142>)).\n\nOther RCEs worth mentioning were in:\n\n * Windows NTFS ([CVE-2020-17096](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17096>)). Tenable: "An RCE in Windows NT File System (NTFS), the file system used in Microsoft Windows and Microsoft Windows Server. No user interaction is required to exploit this vulnerability. Depending on the attacker\u2019s position, there are a few avenues for exploitation. For an attacker that has already established a local position on the vulnerable system, executing a malicious application that exploits the flaw would result in an elevation of privileges. Alternatively, a remote attacker could exploit the flaw by sending malicious requests to a vulnerable system, so long as they could access it over the Server Message Block version 2 protocol (SMBv2). Successful exploitation in this context would grant the attacker arbitrary code execution".\n * Hyper-V ([CVE-2020-17095](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17095>))\n * Microsoft SharePoint ([CVE-2020-17118](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17118>), [CVE-2020-17121](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17121>))\n * Microsoft Excel ([CVE-2020-17122](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17122>), [CVE-2020-17123](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17123>), [CVE-2020-17125](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17125>), [CVE-2020-17127](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17127>), [CVE-2020-17128](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17128>), [CVE-2020-17129](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17129>))\n\nThank you, I will be glad to know your opinion about Vulristics and how it can be further improved. Write to <https://t.me/avleonovchat>.\n\nFull reports are available here:\n\n * [October 2020](<http://avleonov.com/vulristics_reports/october2020_report_avleonov_comments.html>)\n * [November 2020](<http://avleonov.com/vulristics_reports/november2020_report_avleonov_comments.html>)\n * [December 2020](<http://avleonov.com/vulristics_reports/december2020_report_avleonov_comments.html>)\n![](http://feeds.feedburner.com/~r/avleonov/~4/mC48TITxRfM)", "edition": 2, "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-01-11T01:50:44", "type": "avleonov", "title": "Vulristics Vulnerability Score, Automated Data Collection and Microsoft Patch Tuesdays Q4 2020", "bulletinFamily": "blog", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1472", "CVE-2020-16898", "CVE-2020-16916", "CVE-2020-16947", "CVE-2020-16952", "CVE-2020-17001", "CVE-2020-17019", "CVE-2020-17042", "CVE-2020-17049", "CVE-2020-17051", "CVE-2020-17056", "CVE-2020-17061", "CVE-2020-17064", "CVE-2020-17065", "CVE-2020-17066", "CVE-2020-17083", "CVE-2020-17084", "CVE-2020-17087", "CVE-2020-17091", "CVE-2020-17095", "CVE-2020-17096", "CVE-2020-17117", "CVE-2020-17118", "CVE-2020-17121", "CVE-2020-17122", "CVE-2020-17123", "CVE-2020-17125", "CVE-2020-17127", "CVE-2020-17128", "CVE-2020-17129", "CVE-2020-17132", "CVE-2020-17141", "CVE-2020-17142", "CVE-2020-17144"], "modified": "2021-01-11T01:50:44", "id": "AVLEONOV:28E47C69DA4A069031694EB4C2C931BA", "href": "http://feedproxy.google.com/~r/avleonov/~3/mC48TITxRfM/", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}], "rapid7blog": [{"lastseen": "2021-07-28T14:56:11", "description": "![Patch Tuesday - July 2021](https://blog.rapid7.com/content/images/2021/07/patches-2.jpg)\n\n[Microsoft has patched another 117 CVEs](<https://msrc.microsoft.com/update-guide/releaseNote/2021-Jul>), returning to volumes seen in early 2021 and most of 2020. It would appear that the recent trend of approximately 50 vulnerability fixes per month was not indicative of a slowing pace. This month there were 13 vulnerabilities rated Critical with nearly the rest being rated Important. Thankfully, none of the updates published today require additional steps to remediate, so administrators should be able to rely on their normal patching process. Once[ CVE-2021-34527](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34527>) has been remediated, priority should be to patch public facing DNS and Exchange servers, followed by Workstations, SharePoint servers, and finally Office applications.\n\nIt seems like the PrintNightmare is nearly over. While the past two weeks have been a frenzy for the security community there has been no new information since the end of last week when Microsoft made a final revision to their guidance on[ CVE-2021-34527](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34527>). If you haven\u2019t patched this yet, this is your daily reminder. For further details [please see our blog](<https://www.rapid7.com/blog/post/2021/06/30/cve-2021-1675-printnightmare-patch-does-not-remediate-vulnerability/>) on the topic.\n\n## Multiple Critical DNS Vulnerabilities Patched\n\nAdministrators should focus their efforts on the 11 vulnerabilities in Windows DNS server to reduce the most risk. The two most important of these vulnerabilities are [CVE-2021-34494](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34494>) and [CVE-2021-33780](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33780>). Exploitation of either of these vulnerabilities would result in Remote Code Execution with SYSTEM privileges without any user interaction via the network. Given the network exposure of DNS servers these vulnerabilities could prove to be troublesome if an exploit were to be developed. Microsoft lists [CVE-2021-33780](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33780>) as \u201cExploitation More Likely\u201d so it may only be a matter of time before attackers attempt to make use of these flaws.\n\n## New Exchange Updates Available\n\nOnly 4 of the 7 Exchange CVEs being disclosed this month are new. The two most severe vulnerabilities were patched in back in April and were mistakenly not disclosed. This means that if you applied the April 2021 updates you will not need to take any action for [CVE-2021-34473](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34473>), [CVE-2021-34523](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34523>), or [CVE-2021-33766](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-33766>). Of the 4 newly patched vulnerabilities the most notable is [CVE-2021-31206](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31206>), a remote code execution flaw discovered in the recent Pwn2Own competition. \n\n## Scripting Engine Exploited in the Wild\n\nExploitation of [CVE-2021-34448](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34448>) has been observed in the wild by researchers. There are no details on the frequency or spread of this exploit. This vulnerability requires the user to visit a link to download a malicious file. As with other vulnerabilities that require user interaction, strong security hygiene is the first line of defense.\n\n## Summary Tables\n\nHere are this month's patched vulnerabilities split by the product family.\n\n## Apps Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-33753](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33753>) | Microsoft Bing Search Spoofing Vulnerability | No | No | 4.7 | Yes \n \n## Developer Tools Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34528](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34528>) | Visual Studio Code Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34529](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34529>) | Visual Studio Code Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34477](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34477>) | Visual Studio Code .NET Runtime Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33767](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33767>) | Open Enclave SDK Elevation of Privilege Vulnerability | No | No | 8.2 | Yes \n[CVE-2021-34479](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34479>) | Microsoft Visual Studio Spoofing Vulnerability | No | No | 7.8 | No \n \n## Exchange Server Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34473](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34473>) | Microsoft Exchange Server Remote Code Execution Vulnerability | No | Yes | 9.1 | No \n[CVE-2021-31206](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31206>) | Microsoft Exchange Server Remote Code Execution Vulnerability | No | No | 7.6 | Yes \n[CVE-2021-31196](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31196>) | Microsoft Exchange Server Remote Code Execution Vulnerability | No | No | 7.2 | No \n[CVE-2021-34523](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523>) | Microsoft Exchange Server Elevation of Privilege Vulnerability | No | Yes | 9 | No \n[CVE-2021-33768](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768>) | Microsoft Exchange Server Elevation of Privilege Vulnerability | No | No | 8 | Yes \n[CVE-2021-34470](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34470>) | Microsoft Exchange Server Elevation of Privilege Vulnerability | No | No | 8 | Yes \n[CVE-2021-33766](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33766>) | Microsoft Exchange Information Disclosure Vulnerability | No | No | 7.3 | Yes \n \n## Microsoft Dynamics Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34474](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34474>) | Dynamics Business Central Remote Code Execution Vulnerability | No | No | 8 | Yes \n \n## Microsoft Office Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34452](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34452>) | Microsoft Word Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34517](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34517>) | Microsoft SharePoint Server Spoofing Vulnerability | No | No | 5.3 | No \n[CVE-2021-34520](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34520>) | Microsoft SharePoint Server Remote Code Execution Vulnerability | No | No | 8.1 | No \n[CVE-2021-34467](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34467>) | Microsoft SharePoint Server Remote Code Execution Vulnerability | No | No | 7.1 | No \n[CVE-2021-34468](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34468>) | Microsoft SharePoint Server Remote Code Execution Vulnerability | No | No | 7.1 | Yes \n[CVE-2021-34519](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34519>) | Microsoft SharePoint Server Information Disclosure Vulnerability | No | No | 5.3 | Yes \n[CVE-2021-34469](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34469>) | Microsoft Office Security Feature Bypass Vulnerability | No | No | 8.2 | Yes \n[CVE-2021-34451](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34451>) | Microsoft Office Online Server Spoofing Vulnerability | No | No | 5.3 | Yes \n[CVE-2021-34501](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34501>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34518](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34518>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n \n## SQL Server Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-31984](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31984>) | Power BI Remote Code Execution Vulnerability | No | No | 7.6 | Yes \n \n## System Center Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34464](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34464>) | Microsoft Defender Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34522](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34522>) | Microsoft Defender Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n \n## Windows Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-33772](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33772>) | Windows TCP/IP Driver Denial of Service Vulnerability | No | No | 7.5 | No \n[CVE-2021-34490](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34490>) | Windows TCP/IP Driver Denial of Service Vulnerability | No | No | 7.5 | No \n[CVE-2021-33744](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33744>) | Windows Secure Kernel Mode Security Feature Bypass Vulnerability | No | No | 5.3 | No \n[CVE-2021-33763](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33763>) | Windows Remote Access Connection Manager Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34454](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34454>) | Windows Remote Access Connection Manager Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-33761](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33761>) | Windows Remote Access Connection Manager Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33773](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33773>) | Windows Remote Access Connection Manager Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34445](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34445>) | Windows Remote Access Connection Manager Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33743](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33743>) | Windows Projected File System Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34493](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34493>) | Windows Partition Management Driver Elevation of Privilege Vulnerability | No | No | 6.7 | No \n[CVE-2021-33740](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33740>) | Windows Media Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34458](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34458>) | Windows Kernel Remote Code Execution Vulnerability | No | No | 9.9 | Yes \n[CVE-2021-34508](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34508>) | Windows Kernel Remote Code Execution Vulnerability | No | No | 8.8 | No \n[CVE-2021-33771](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33771>) | Windows Kernel Elevation of Privilege Vulnerability | Yes | No | 7.8 | No \n[CVE-2021-31961](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31961>) | Windows InstallService Elevation of Privilege Vulnerability | No | No | 6.1 | Yes \n[CVE-2021-34450](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34450>) | Windows Hyper-V Remote Code Execution Vulnerability | No | No | 8.5 | Yes \n[CVE-2021-33758](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33758>) | Windows Hyper-V Denial of Service Vulnerability | No | No | 7.7 | No \n[CVE-2021-33755](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33755>) | Windows Hyper-V Denial of Service Vulnerability | No | No | 6.3 | No \n[CVE-2021-34466](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34466>) | Windows Hello Security Feature Bypass Vulnerability | No | No | 5.7 | Yes \n[CVE-2021-34438](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34438>) | Windows Font Driver Host Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34455](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34455>) | Windows File History Service Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33774](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33774>) | Windows Event Tracing Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-33759](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33759>) | Windows Desktop Bridge Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34525](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34525>) | Windows DNS Server Remote Code Execution Vulnerability | No | No | 8.8 | No \n[CVE-2021-34461](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34461>) | Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34488](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34488>) | Windows Console Driver Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33784](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33784>) | Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34462](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34462>) | Windows AppX Deployment Extensions Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-34459](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34459>) | Windows AppContainer Elevation Of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33785](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33785>) | Windows AF_UNIX Socket Provider Denial of Service Vulnerability | No | No | 7.5 | No \n[CVE-2021-33779](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33779>) | Windows ADFS Security Feature Bypass Vulnerability | No | Yes | 8.1 | Yes \n[CVE-2021-34491](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34491>) | Win32k Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34449](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34449>) | Win32k Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-34509](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34509>) | Storage Spaces Controller Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34460](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34460>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34510](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34510>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34512](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34512>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34513](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34513>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33751](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33751>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-34521](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34521>) | Raw Image Extension Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34439](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34439>) | Microsoft Windows Media Foundation Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34503](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34503>) | Microsoft Windows Media Foundation Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-33760](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33760>) | Media Foundation Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-31947](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31947>) | HEVC Video Extensions Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-33775](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33775>) | HEVC Video Extensions Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-33776](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33776>) | HEVC Video Extensions Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-33777](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33777>) | HEVC Video Extensions Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-33778](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33778>) | HEVC Video Extensions Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34489](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34489>) | DirectWrite Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-33781](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33781>) | Active Directory Security Feature Bypass Vulnerability | No | Yes | 8.1 | No \n \n## Windows ESU Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-31183](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31183>) | Windows TCP/IP Driver Denial of Service Vulnerability | No | No | 7.5 | No \n[CVE-2021-33757](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33757>) | Windows Security Account Manager Remote Protocol Security Feature Bypass Vulnerability | No | No | 5.3 | Yes \n[CVE-2021-33783](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33783>) | Windows SMB Information Disclosure Vulnerability | No | No | 6.5 | Yes \n[CVE-2021-34507](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34507>) | Windows Remote Assistance Information Disclosure Vulnerability | No | No | 6.5 | Yes \n[CVE-2021-34457](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34457>) | Windows Remote Access Connection Manager Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34456](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34456>) | Windows Remote Access Connection Manager Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34527](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34527>) | Windows Print Spooler Remote Code Execution Vulnerability | Yes | Yes | 8.8 | Yes \n[CVE-2021-34497](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34497>) | Windows MSHTML Platform Remote Code Execution Vulnerability | No | No | 6.8 | Yes \n[CVE-2021-34447](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34447>) | Windows MSHTML Platform Remote Code Execution Vulnerability | No | No | 6.8 | Yes \n[CVE-2021-33786](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33786>) | Windows LSA Security Feature Bypass Vulnerability | No | No | 8.1 | Yes \n[CVE-2021-33788](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33788>) | Windows LSA Denial of Service Vulnerability | No | No | 7.5 | No \n[CVE-2021-33764](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33764>) | Windows Key Distribution Center Information Disclosure Vulnerability | No | No | 5.9 | Yes \n[CVE-2021-34500](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34500>) | Windows Kernel Memory Information Disclosure Vulnerability | No | No | 6.3 | Yes \n[CVE-2021-31979](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31979>) | Windows Kernel Elevation of Privilege Vulnerability | Yes | No | 7.8 | No \n[CVE-2021-34514](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34514>) | Windows Kernel Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33765](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33765>) | Windows Installer Spoofing Vulnerability | No | No | 6.2 | No \n[CVE-2021-34511](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34511>) | Windows Installer Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34446](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34446>) | Windows HTML Platforms Security Feature Bypass Vulnerability | No | No | 8 | No \n[CVE-2021-34496](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34496>) | Windows GDI Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34498](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34498>) | Windows GDI Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-33749](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33749>) | Windows DNS Snap-in Remote Code Execution Vulnerability | No | No | 8.8 | Yes \n[CVE-2021-33750](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33750>) | Windows DNS Snap-in Remote Code Execution Vulnerability | No | No | 8.8 | Yes \n[CVE-2021-33752](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33752>) | Windows DNS Snap-in Remote Code Execution Vulnerability | No | No | 8.8 | Yes \n[CVE-2021-33756](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33756>) | Windows DNS Snap-in Remote Code Execution Vulnerability | No | No | 8.8 | Yes \n[CVE-2021-34494](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34494>) | Windows DNS Server Remote Code Execution Vulnerability | No | No | 8.8 | Yes \n[CVE-2021-33780](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33780>) | Windows DNS Server Remote Code Execution Vulnerability | No | No | 8.8 | Yes \n[CVE-2021-33746](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33746>) | Windows DNS Server Remote Code Execution Vulnerability | No | No | 8 | No \n[CVE-2021-33754](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33754>) | Windows DNS Server Remote Code Execution Vulnerability | No | No | 8 | No \n[CVE-2021-34442](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34442>) | Windows DNS Server Denial of Service Vulnerability | No | No | 7.5 | Yes \n[CVE-2021-34444](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34444>) | Windows DNS Server Denial of Service Vulnerability | No | No | 6.5 | Yes \n[CVE-2021-34499](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34499>) | Windows DNS Server Denial of Service Vulnerability | No | No | 6.5 | No \n[CVE-2021-33745](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33745>) | Windows DNS Server Denial of Service Vulnerability | No | No | 6.5 | Yes \n[CVE-2021-34492](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34492>) | Windows Certificate Spoofing Vulnerability | No | Yes | 8.1 | No \n[CVE-2021-33782](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33782>) | Windows Authenticode Spoofing Vulnerability | No | No | 5.5 | No \n[CVE-2021-34504](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34504>) | Windows Address Book Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34516](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34516>) | Win32k Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34448](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34448>) | Scripting Engine Memory Corruption Vulnerability | Yes | No | 6.8 | Yes \n[CVE-2021-34441](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34441>) | Microsoft Windows Media Foundation Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34440](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34440>) | GDI+ Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34476](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34476>) | Bowser.sys Denial of Service Vulnerability | No | No | 7.5 | No \n \n## Summary Graphs\n\n![Patch Tuesday - July 2021](https://blog.rapid7.com/content/images/2021/07/output_18_2.png)![Patch Tuesday - July 2021](https://blog.rapid7.com/content/images/2021/07/output_20_2.png)![Patch Tuesday - July 2021](https://blog.rapid7.com/content/images/2021/07/output_26_1.png)![Patch Tuesday - July 2021](https://blog.rapid7.com/content/images/2021/07/output_25_1.png)", "edition": 2, "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-07-13T20:56:26", "type": "rapid7blog", "title": "Patch Tuesday - July 2021", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-1675", "CVE-2021-31183", "CVE-2021-31196", "CVE-2021-31206", "CVE-2021-31947", "CVE-2021-31961", "CVE-2021-31979", "CVE-2021-31984", "CVE-2021-33740", "CVE-2021-33743", "CVE-2021-33744", "CVE-2021-33745", "CVE-2021-33746", "CVE-2021-33749", "CVE-2021-33750", "CVE-2021-33751", "CVE-2021-33752", "CVE-2021-33753", "CVE-2021-33754", "CVE-2021-33755", "CVE-2021-33756", "CVE-2021-33757", "CVE-2021-33758", "CVE-2021-33759", "CVE-2021-33760", "CVE-2021-33761", "CVE-2021-33763", "CVE-2021-33764", "CVE-2021-33765", "CVE-2021-33766", "CVE-2021-33767", "CVE-2021-33768", "CVE-2021-33771", "CVE-2021-33772", "CVE-2021-33773", "CVE-2021-33774", "CVE-2021-33775", "CVE-2021-33776", "CVE-2021-33777", "CVE-2021-33778", "CVE-2021-33779", "CVE-2021-33780", "CVE-2021-33781", "CVE-2021-33782", "CVE-2021-33783", "CVE-2021-33784", "CVE-2021-33785", "CVE-2021-33786", "CVE-2021-33788", "CVE-2021-34438", "CVE-2021-34439", "CVE-2021-34440", "CVE-2021-34441", "CVE-2021-34442", "CVE-2021-34444", "CVE-2021-34445", "CVE-2021-34446", "CVE-2021-34447", "CVE-2021-34448", "CVE-2021-34449", "CVE-2021-34450", "CVE-2021-34451", "CVE-2021-34452", "CVE-2021-34454", "CVE-2021-34455", "CVE-2021-34456", "CVE-2021-34457", "CVE-2021-34458", "CVE-2021-34459", "CVE-2021-34460", "CVE-2021-34461", "CVE-2021-34462", "CVE-2021-34464", "CVE-2021-34466", "CVE-2021-34467", "CVE-2021-34468", "CVE-2021-34469", "CVE-2021-34470", "CVE-2021-34473", "CVE-2021-34474", "CVE-2021-34476", "CVE-2021-34477", "CVE-2021-34479", "CVE-2021-34488", "CVE-2021-34489", "CVE-2021-34490", "CVE-2021-34491", "CVE-2021-34492", "CVE-2021-34493", "CVE-2021-34494", "CVE-2021-34496", "CVE-2021-34497", "CVE-2021-34498", "CVE-2021-34499", "CVE-2021-34500", "CVE-2021-34501", "CVE-2021-34503", "CVE-2021-34504", "CVE-2021-34507", "CVE-2021-34508", "CVE-2021-34509", "CVE-2021-34510", "CVE-2021-34511", "CVE-2021-34512", "CVE-2021-34513", "CVE-2021-34514", "CVE-2021-34516", "CVE-2021-34517", "CVE-2021-34518", "CVE-2021-34519", "CVE-2021-34520", "CVE-2021-34521", "CVE-2021-34522", "CVE-2021-34523", "CVE-2021-34525", "CVE-2021-34527", "CVE-2021-34528", "CVE-2021-34529"], "modified": "2021-07-13T20:56:26", "id": "RAPID7BLOG:4B35B23167A9D5E016537F6A81E4E9D4", "href": "https://blog.rapid7.com/2021/07/13/patch-tuesday-july-2021/", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}], "redhat": [{"lastseen": "2023-09-30T03:34:41", "description": "Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.\n\nThis advisory contains the container images for Red Hat OpenShift Container Platform 4.13.2. See the following advisory for the RPM packages for this release:\n\nhttps://access.redhat.com/errata/RHSA-2023:3366\n\nSpace precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:\n\nhttps://docs.openshift.com/container-platform/4.13/release_notes/ocp-4-13-release-notes.html\n\nSecurity Fix(es):\n\n* golang: html/template: improper handling of JavaScript whitespace (CVE-2023-24540)\n\n* net/http, golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding (CVE-2022-41723)\n\n* golang: net/http, net/textproto: denial of service from excessive memory allocation (CVE-2023-24534)\n\n* golang: net/http, net/textproto, mime/multipart: denial of service from excessive resource consumption (CVE-2023-24536)\n\n* golang: go/parser: Infinite loop in parsing (CVE-2023-24537)\n\n* golang: html/template: backticks not treated as string delimiters (CVE-2023-24538)\n\n* golang: html/template: improper sanitization of CSS values (CVE-2023-24539)\n\n* golang: html/template: improper handling of empty HTML attributes (CVE-2023-29400)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAll OpenShift Container Platform 4.13 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.13/updating/updating-cluster-cli.html", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-06-07T01:48:02", "type": "redhat", "title": "(RHSA-2023:3367) Important: OpenShift Container Platform 4.13.2 bug fix and security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-17049", "CVE-2021-38578", "CVE-2021-46848", "CVE-2022-1304", "CVE-2022-2309", "CVE-2022-25147", "CVE-2022-25255", "CVE-2022-2795", "CVE-2022-28805", "CVE-2022-2928", "CVE-2022-2929", "CVE-2022-30629", "CVE-2022-3094", "CVE-2022-3165", "CVE-2022-3204", "CVE-2022-3358", "CVE-2022-35737", "CVE-2022-36227", "CVE-2022-3715", "CVE-2022-3736", "CVE-2022-3924", "CVE-2022-40023", "CVE-2022-40303", "CVE-2022-40304", "CVE-2022-41717", "CVE-2022-4172", "CVE-2022-41723", "CVE-2022-41724", "CVE-2022-41973", "CVE-2022-42010", "CVE-2022-42011", "CVE-2022-42012", "CVE-2022-4304", "CVE-2022-4450", "CVE-2022-47024", "CVE-2022-47629", "CVE-2022-48303", "CVE-2022-48337", "CVE-2022-48338", "CVE-2022-48339", "CVE-2023-0215", "CVE-2023-0286", "CVE-2023-1017", "CVE-2023-1018", "CVE-2023-22490", "CVE-2023-2295", "CVE-2023-23946", "CVE-2023-24534", "CVE-2023-24536", "CVE-2023-24537", "CVE-2023-24538", "CVE-2023-24539", "CVE-2023-24540", "CVE-2023-2491", "CVE-2023-25136", "CVE-2023-25652", "CVE-2023-25815", "CVE-2023-27535", "CVE-2023-29007", "CVE-2023-29400"], "modified": "2023-06-07T01:48:49", "id": "RHSA-2023:3367", "href": "https://access.redhat.com/errata/RHSA-2023:3367", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}, {"lastseen": "2023-09-30T09:15:05", "description": "Red Hat OpenShift Data Foundation is software-defined storage integrated with and optimized for the Red Hat OpenShift Container Platform. Red Hat OpenShift Data Foundation is a highly scalable, production-grade persistent storage for stateful applications running in the Red Hat OpenShift Container Platform. In addition to persistent storage, Red Hat OpenShift Data Foundation provisions a multicloud data management service with an S3 compatible API.\n\nSecurity Fix(es):\n\n* goutils: RandomAlphaNumeric and CryptoRandomAlphaNumeric are not as random as they should be (CVE-2021-4238)\n\n* decode-uri-component: improper input validation resulting in DoS (CVE-2022-38900)\n\n* vault: Hashicorp Vault AWS IAM Integration Authentication Bypass (CVE-2020-16250)\n\n* vault: GCP Auth Method Allows Authentication Bypass (CVE-2020-16251)\n\n* nodejs-ansi-regex: Regular expression denial of service (ReDoS) matching ANSI escape codes (CVE-2021-3807)\n\n* go-yaml: Denial of Service in go-yaml (CVE-2021-4235)\n\n* vault: incorrect policy enforcement (CVE-2021-43998)\n\n* nodejs: Improper handling of URI Subject Alternative Names (CVE-2021-44531)\n\n* nodejs: Certificate Verification Bypass via String Injection (CVE-2021-44532)\n\n* nodejs: Incorrect handling of certificate subject and issuer fields (CVE-2021-44533)\n\n* golang: archive/tar: unbounded memory consumption when reading headers (CVE-2022-2879)\n\n* golang: net/http/httputil: ReverseProxy should not forward unparseable query parameters (CVE-2022-2880)\n\n* nodejs-minimatch: ReDoS via the braceExpand function (CVE-2022-3517)\n\n* jsonwebtoken: Insecure default algorithm in jwt.verify() could lead to signature validation bypass (CVE-2022-23540)\n\n* jsonwebtoken: Insecure implementation of key retrieval function could lead to Forgeable Public/Private Tokens from RSA to HMAC (CVE-2022-23541)\n\n* golang: net/http: handle server errors after sending GOAWAY (CVE-2022-27664)\n\n* golang: encoding/gob: stack exhaustion in Decoder.Decode (CVE-2022-30635)\n\n* golang: net/url: JoinPath does not strip relative path components in all circumstances (CVE-2022-32190)\n\n* consul: Consul Template May Expose Vault Secrets When Processing Invalid Input (CVE-2022-38149)\n\n* vault: insufficient certificate revocation list checking (CVE-2022-41316)\n\n* golang: regexp/syntax: limit memory used by parsing regexps (CVE-2022-41715)\n\n* golang: net/http: excessive memory growth in a Go server accepting HTTP/2 requests (CVE-2022-41717)\n\n* net/http, golang.org/x/net/http2: avoid quadratic complexity in HPACK decoding (CVE-2022-41723)\n\n* golang: crypto/tls: large handshake records may cause panics (CVE-2022-41724)\n\n* golang: net/http, mime/multipart: denial of service from excessive resource consumption (CVE-2022-41725)\n\n* json5: Prototype Pollution in JSON5 via Parse Method (CVE-2022-46175)\n\n* vault: Vault\u2019s Microsoft SQL Database Storage Backend Vulnerable to SQL Injection Via Configuration File (CVE-2023-0620)\n\n* hashicorp/vault: Vault\u2019s PKI Issuer Endpoint Did Not Correctly Authorize Access to Issuer Metadata (CVE-2023-0665)\n\n* Hashicorp/vault: Vault Fails to Verify if Approle SecretID Belongs to Role During a Destroy Operation (CVE-2023-24999)\n\n* hashicorp/vault: Cache-Timing Attacks During Seal and Unseal Operations (CVE-2023-25000)\n\n* validator: Inefficient Regular Expression Complexity in Validator.js (CVE-2021-3765)\n\n* nodejs: Prototype pollution via console.table properties (CVE-2022-21824)\n\n* golang: math/big: decoding big.Float and big.Rat types can panic if the encoded message is too short, potentially allowing a denial of service (CVE-2022-32189)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2023-06-21T15:20:50", "type": "redhat", "title": "(RHSA-2023:3742) Important: Red Hat OpenShift Data Foundation 4.13.0 security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.0, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-20107", "CVE-2018-25032", "CVE-2020-10735", "CVE-2020-16250", "CVE-2020-16251", "CVE-2020-17049", "CVE-2021-28861", "CVE-2021-3765", "CVE-2021-3807", "CVE-2021-4231", "CVE-2021-4235", "CVE-2021-4238", "CVE-2021-43519", "CVE-2021-43998", "CVE-2021-44531", "CVE-2021-44532", "CVE-2021-44533", "CVE-2021-44964", "CVE-2021-46828", "CVE-2021-46848", "CVE-2022-0670", "CVE-2022-1271", "CVE-2022-1304", "CVE-2022-1348", "CVE-2022-1586", "CVE-2022-1587", "CVE-2022-21824", "CVE-2022-2309", "CVE-2022-23540", "CVE-2022-23541", "CVE-2022-24903", "CVE-2022-2509", "CVE-2022-26280", "CVE-2022-27664", "CVE-2022-2795", "CVE-2022-2879", "CVE-2022-2880", "CVE-2022-28805", "CVE-2022-29154", "CVE-2022-30635", "CVE-2022-3094", "CVE-2022-31129", "CVE-2022-32189", "CVE-2022-32190", "CVE-2022-33099", "CVE-2022-3358", "CVE-2022-34903", "CVE-2022-3515", "CVE-2022-3517", "CVE-2022-35737", "CVE-2022-36227", "CVE-2022-3715", "CVE-2022-3736", "CVE-2022-37434", "CVE-2022-38149", "CVE-2022-3821", "CVE-2022-38900", "CVE-2022-3924", "CVE-2022-40023", "CVE-2022-40303", "CVE-2022-40304", "CVE-2022-40897", "CVE-2022-41316", "CVE-2022-41715", "CVE-2022-41717", "CVE-2022-41723", "CVE-2022-41724", "CVE-2022-41725", "CVE-2022-42010", "CVE-2022-42011", "CVE-2022-42012", "CVE-2022-42898", "CVE-2022-42919", "CVE-2022-43680", "CVE-2022-4415", "CVE-2022-45061", "CVE-2022-45873", "CVE-2022-46175", "CVE-2022-47024", "CVE-2022-47629", "CVE-2022-48303", "CVE-2022-48337", "CVE-2022-48338", "CVE-2022-48339", "CVE-2023-0361", "CVE-2023-0620", "CVE-2023-0665", "CVE-2023-22809", "CVE-2023-24329", "CVE-2023-2491", "CVE-2023-24999", "CVE-2023-25000", "CVE-2023-25136"], "modified": "2023-06-22T19:50:03", "id": "RHSA-2023:3742", "href": "https://access.redhat.com/errata/RHSA-2023:3742", "cvss": {"score": 9.0, "vector": "AV:N/AC:L/Au:S/C:C/I:C/A:C"}}]}