{"cve": [{"lastseen": "2023-05-23T15:35:38", "description": "Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability", "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": "2021-08-12T18:15:00", "type": "cve", "title": "CVE-2021-36937", "cwe": ["NVD-CWE-noinfo"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-36937"], "modified": "2021-08-20T19:03:00", "cpe": ["cpe:/o:microsoft:windows_10:2004", "cpe:/o:microsoft:windows_server_2016:20h2", "cpe:/o:microsoft:windows_server_2012:r2", "cpe:/o:microsoft:windows_10:1809", "cpe:/o:microsoft:windows_server_2019:-", "cpe:/o:microsoft:windows_10:21h1", "cpe:/o:microsoft:windows_10:1607", "cpe:/o:microsoft:windows_server_2008:r2", "cpe:/o:microsoft:windows_rt_8.1:-", "cpe:/o:microsoft:windows_10:-", "cpe:/o:microsoft:windows_10:20h2", "cpe:/o:microsoft:windows_server_2008:-", "cpe:/o:microsoft:windows_server_2012:-", "cpe:/o:microsoft:windows_7:-", "cpe:/o:microsoft:windows_10:1909", "cpe:/o:microsoft:windows_8.1:-", "cpe:/o:microsoft:windows_server_2016:2004", "cpe:/o:microsoft:windows_server_2016:-"], "id": "CVE-2021-36937", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-36937", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}, "cpe23": ["cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*", "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*", "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*"]}], "mskb": [{"lastseen": "2023-05-19T10:52:20", "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:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005391](<https://support.microsoft.com/help/5005390>).\n * This update also contains miscellaneous security improvements to internal OS functionality.\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, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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 ([KB5005036](<https://support.microsoft.com/help/5005036>)).**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=KBNNNNNNN>) 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 5005095](<https://download.microsoft.com/download/2/f/9/2f99a9fc-08b2-4463-9199-43e8f557ead0/5005095.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005095 (Security-only update)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005095", "href": "https://support.microsoft.com/en-us/help/5005095", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:19", "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:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005392](<https://support.microsoft.com/help/5005392>).\n * This update also contains miscellaneous security improvements to internal OS functionality.\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, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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.\n * 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://techcommunity.microsoft.com/t5/windows-it-pro-blog/obtaining-extended-security-updates-for-eligible-windows-devices/ba-p/1167091>) 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, \"STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\". 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 ([KB5005036](<https://support.microsoft.com/help/5005036>)).**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=KB5005089>) 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 5005089](<https://download.microsoft.com/download/d/0/4/d0487f5c-6448-4a25-badb-8fcab6fc55bf/5005089.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005089 (Security-only update)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005089", "href": "https://support.microsoft.com/en-us/help/5005089", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:20", "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:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005389](<https://support.microsoft.com/help/5005389>).\n * This update also contains miscellaneous security improvements to internal OS functionality.\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 this update, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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 ([KB5005036](<https://support.microsoft.com/help/5005036>)).**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=KBNNNNNNN>) 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 5005094](<https://download.microsoft.com/download/4/d/f/4dfb503a-e6e6-464c-a027-c7cfe76e0792/5005094.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005094 (Security-only update)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005094", "href": "https://support.microsoft.com/en-us/help/5005094", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:19", "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 [KB5004289](<https://support.microsoft.com/help/5004289>) (released July 13, 2021) and addresses the following issues:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005392](<https://support.microsoft.com/help/5005392>).\n * This update also contains miscellaneous security improvements to internal OS functionality.\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**How to get this update****Symptom **| **Workaround ** \n---|--- \nAfter installing this update, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \nAfter 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:\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://techcommunity.microsoft.com/t5/windows-it-pro-blog/obtaining-extended-security-updates-for-eligible-windows-devices/ba-p/1167091>) 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, \"STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)\". 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**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=KB5005088>) 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 5005088](<https://download.microsoft.com/download/5/1/c/51cfa686-f644-4875-b76b-610d21809361/5005088.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005088 (Monthly Rollup)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005088", "href": "https://support.microsoft.com/en-us/help/5005088", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:20", "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 [KB5004305](<https://support.microsoft.com/help/5004305>) (released July 13, 2021) and addresses the following issues:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005390.](<https://support.microsoft.com/help/5005390>)\n * This update also contains miscellaneous security improvements to internal OS functionality.\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, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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=KB5005090>) 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 5005090](<https://download.microsoft.com/download/3/e/d/3ed5bcad-9cd8-4084-860a-0eeff78ed341/5005090.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005090 (Monthly Rollup)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005090", "href": "https://support.microsoft.com/en-us/help/5005090", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:21", "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 \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:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005391](<https://support.microsoft.com/help/5005391>)\n * This update also contains miscellaneous security improvements to internal OS functionality.\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, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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>). **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 ([KB5005036](<https://support.microsoft.com/help/5005036>)).**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=KB5005106>) 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 5005106](<https://download.microsoft.com/download/b/d/a/bda94068-ca0a-4edd-825a-7874cd775e75/5005106.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005106 (Security-only update)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005106", "href": "https://support.microsoft.com/en-us/help/5005106", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:19", "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 [KB5004298](<https://support.microsoft.com/help/5004298>) (released July 13, 2021) and addresses the following issues:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005391.](<https://support.microsoft.com/help/5005391>)\n * This update also contains miscellaneous security improvements to internal OS functionality.\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, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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=KB5005076>) 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 5005076](<https://download.microsoft.com/download/f/e/9/fe907252-2606-4ef8-b4cd-bfe1b3bbae60/5005076.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": "2021-08-10T07:00:00", "type": "mskb", "title": "August 10, 2021\u2014KB5005076 (Monthly Rollup)", "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-2021-34481", "CVE-2021-36937", "CVE-2021-36942"], "modified": "2021-08-10T07:00:00", "id": "KB5005076", "href": "https://support.microsoft.com/en-us/help/5005076", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-19T10:52:21", "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 [KB5004294](<https://support.microsoft.com/help/5004294>) (released previous July 13, 2021) and addresses the following issues:\n\n * Changes the default privilege requirement for installing drivers when using Point and Print. After installing this update, you must have administrative privileges to install drivers. If you use Point and Print, see [KB5005652](<https://support.microsoft.com/topic/873642bf-2634-49c5-a23b-6d8e9a302872>), [Point and Print Default Behavior Change](<https://aka.ms/PointPrintMSRCBlog>), and [CVE-2021-34481](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481>) for more information.\n * Addresses an issue in which Smart Card Authentication (PIV) fails on non-RFC compliant printers and scanners requiring smartcard authentication. For more information, see [KB5005389.](<https://support.microsoft.com/help/5005389>)\n * This update also contains miscellaneous security improvements to internal OS functionality.\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, the Encrypted File System (EFS) API **[OpenEncryptedFileRaw(A/W)](<https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-openencryptedfilerawa>)**, often used in backup software, will not work when you back up to or from a Windows Server 2008 SP2 device. **OpenEncryptedFileRaw** will continue to work on all other versions of Windows (local and remote).| This behavior is expected because we addressed the issue in [CVE-2021-36942](<https://portal.msrc.microsoft.com/security-guidance/advisory/CVE-2021-36942>).**Note** If you cannot use backup software on Windows 7 SP1 and Server 2008 R2 SP1 or later after installing this update, contact the manufacturer of your backup software for updates and support. \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. 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Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, spoof user interface, cause denial of service.\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 10 Version 1607 for 32-bit Systems \nWindows 10 Version 20H2 for x64-based Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 8.1 for 32-bit systems \nWindows Server 2016 (Server Core installation) \nWindows 10 Version 1909 for ARM64-based Systems \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1809 for 32-bit Systems \nWindows 10 for x64-based Systems \nWindows Server 2012 (Server Core installation) \nWindows 7 for 32-bit Systems Service Pack 1 \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows 10 Version 2004 for ARM64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2019 \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows 10 Version 1607 for x64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows 10 Version 1809 for x64-based Systems \nWindows 10 for 32-bit Systems \nWindows 10 Version 20H2 for 32-bit Systems \nWindows Server, version 20H2 (Server Core Installation) \nWindows Server 2012 R2 \nWindows 10 Version 2004 for x64-based Systems \nWindows 10 Version 21H1 for 32-bit Systems \nWindows Server 2016 \nWindows RT 8.1 \nWindows 10 Version 21H1 for ARM64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows Server 2012 \nWindows 8.1 for x64-based systems \nRemote Desktop client for Windows Desktop \nWindows 7 for x64-based Systems Service Pack 1 \nWindows 10 Version 1909 for x64-based Systems \nWindows 10 Version 2004 for 32-bit Systems \nWindows 10 Version 1809 for ARM64-based Systems \nWindows 10 Version 21H1 for x64-based Systems \nWindows Server 2012 R2 (Server Core installation) \nWindows Server, version 2004 (Server Core installation)\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-2021-34533](<https://nvd.nist.gov/vuln/detail/CVE-2021-34533>) \n[CVE-2021-26424](<https://nvd.nist.gov/vuln/detail/CVE-2021-26424>) \n[CVE-2021-34537](<https://nvd.nist.gov/vuln/detail/CVE-2021-34537>) \n[CVE-2021-26425](<https://nvd.nist.gov/vuln/detail/CVE-2021-26425>) \n[CVE-2021-36936](<https://nvd.nist.gov/vuln/detail/CVE-2021-36936>) \n[CVE-2021-34483](<https://nvd.nist.gov/vuln/detail/CVE-2021-34483>) \n[CVE-2021-36937](<https://nvd.nist.gov/vuln/detail/CVE-2021-36937>) \n[CVE-2021-36942](<https://nvd.nist.gov/vuln/detail/CVE-2021-36942>) \n[CVE-2021-36947](<https://nvd.nist.gov/vuln/detail/CVE-2021-36947>) \n[CVE-2021-34484](<https://nvd.nist.gov/vuln/detail/CVE-2021-34484>) \n[CVE-2021-34535](<https://nvd.nist.gov/vuln/detail/CVE-2021-34535>) \n[CVE-2021-36927](<https://nvd.nist.gov/vuln/detail/CVE-2021-36927>) \n[CVE-2021-34480](<https://nvd.nist.gov/vuln/detail/CVE-2021-34480>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Windows](<https://threats.kaspersky.com/en/product/Microsoft-Windows/>)\n\n### *KB list*:\n[5005090](<http://support.microsoft.com/kb/5005090>) \n[5005089](<http://support.microsoft.com/kb/5005089>) \n[5005036](<http://support.microsoft.com/kb/5005036>) \n[5005095](<http://support.microsoft.com/kb/5005095>) \n[5005088](<http://support.microsoft.com/kb/5005088>) \n[5011525](<http://support.microsoft.com/kb/5011525>) \n[5011534](<http://support.microsoft.com/kb/5011534>) \n[5011552](<http://support.microsoft.com/kb/5011552>) \n[5011529](<http://support.microsoft.com/kb/5011529>)\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": "2021-08-10T00:00:00", "type": "kaspersky", "title": "KLA12250 Multiple vulnerabilities in Microsoft Products (ESU)", "bulletinFamily": "info", "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-2021-26424", "CVE-2021-26425", "CVE-2021-34480", "CVE-2021-34483", "CVE-2021-34484", "CVE-2021-34533", "CVE-2021-34535", "CVE-2021-34537", "CVE-2021-36927", "CVE-2021-36936", "CVE-2021-36937", "CVE-2021-36942", "CVE-2021-36947"], "modified": "2022-03-09T00:00:00", "id": "KLA12250", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12250/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-05-27T14:57:59", "description": "### *Detect date*:\n08/10/2021\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges, spoof user interface, cause denial of service, obtain sensitive information.\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 10 Version 1607 for 32-bit Systems \nWindows 10 Version 20H2 for x64-based Systems \nWindows 10 Version 1909 for ARM64-based Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 8.1 for 32-bit systems \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1809 for 32-bit Systems \nWindows Server 2016 (Server Core installation) \nWindows 10 for x64-based Systems \nWindows Server 2012 (Server Core installation) \nWindows 7 for 32-bit Systems Service Pack 1 \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows 10 Version 2004 for ARM64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2019 \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows 10 Version 1607 for x64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows 10 Version 1809 for x64-based Systems \nWindows 10 for 32-bit Systems \nWindows 10 Version 20H2 for 32-bit Systems \nWindows Server, version 20H2 (Server Core Installation) \nWindows 10 Version 2004 for x64-based Systems \nWindows Server 2012 R2 \nWindows 10 Version 21H1 for 32-bit Systems \nWindows Server 2016 \nWindows RT 8.1 \nWindows 10 Version 21H1 for ARM64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows Server 2012 \nWindows 8.1 for x64-based systems \nRemote Desktop client for Windows Desktop \nWindows 7 for x64-based Systems Service Pack 1 \nWindows 10 Version 1909 for x64-based Systems \nWindows 10 Version 2004 for 32-bit Systems \nWindows 10 Version 1809 for ARM64-based Systems \nWindows 10 Version 21H1 for x64-based Systems \nWindows Server 2012 R2 (Server Core installation) \nWindows Server, version 2004 (Server Core installation)\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-2021-36948](<https://nvd.nist.gov/vuln/detail/CVE-2021-36948>) \n[CVE-2021-26424](<https://nvd.nist.gov/vuln/detail/CVE-2021-26424>) \n[CVE-2021-26433](<https://nvd.nist.gov/vuln/detail/CVE-2021-26433>) \n[CVE-2021-36945](<https://nvd.nist.gov/vuln/detail/CVE-2021-36945>) \n[CVE-2021-26432](<https://nvd.nist.gov/vuln/detail/CVE-2021-26432>) \n[CVE-2021-36926](<https://nvd.nist.gov/vuln/detail/CVE-2021-36926>) \n[CVE-2021-36942](<https://nvd.nist.gov/vuln/detail/CVE-2021-36942>) \n[CVE-2021-36947](<https://nvd.nist.gov/vuln/detail/CVE-2021-36947>) \n[CVE-2021-34487](<https://nvd.nist.gov/vuln/detail/CVE-2021-34487>) \n[CVE-2021-34530](<https://nvd.nist.gov/vuln/detail/CVE-2021-34530>) \n[CVE-2021-34480](<https://nvd.nist.gov/vuln/detail/CVE-2021-34480>) \n[CVE-2021-34534](<https://nvd.nist.gov/vuln/detail/CVE-2021-34534>) \n[CVE-2021-36927](<https://nvd.nist.gov/vuln/detail/CVE-2021-36927>) \n[CVE-2021-34486](<https://nvd.nist.gov/vuln/detail/CVE-2021-34486>) \n[CVE-2021-36932](<https://nvd.nist.gov/vuln/detail/CVE-2021-36932>) \n[CVE-2021-34533](<https://nvd.nist.gov/vuln/detail/CVE-2021-34533>) \n[CVE-2021-34537](<https://nvd.nist.gov/vuln/detail/CVE-2021-34537>) \n[CVE-2021-36937](<https://nvd.nist.gov/vuln/detail/CVE-2021-36937>) \n[CVE-2021-36936](<https://nvd.nist.gov/vuln/detail/CVE-2021-36936>) \n[CVE-2021-26425](<https://nvd.nist.gov/vuln/detail/CVE-2021-26425>) \n[CVE-2021-34483](<https://nvd.nist.gov/vuln/detail/CVE-2021-34483>) \n[CVE-2021-26431](<https://nvd.nist.gov/vuln/detail/CVE-2021-26431>) \n[CVE-2021-26426](<https://nvd.nist.gov/vuln/detail/CVE-2021-26426>) \n[CVE-2021-34536](<https://nvd.nist.gov/vuln/detail/CVE-2021-34536>) \n[CVE-2021-34484](<https://nvd.nist.gov/vuln/detail/CVE-2021-34484>) \n[CVE-2021-34535](<https://nvd.nist.gov/vuln/detail/CVE-2021-34535>) \n[CVE-2021-36933](<https://nvd.nist.gov/vuln/detail/CVE-2021-36933>) \n[CVE-2021-36938](<https://nvd.nist.gov/vuln/detail/CVE-2021-36938>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Windows](<https://threats.kaspersky.com/en/product/Microsoft-Windows/>)\n\n### *KB list*:\n[4023814](<http://support.microsoft.com/kb/4023814>) \n[5005036](<http://support.microsoft.com/kb/5005036>) \n[5005031](<http://support.microsoft.com/kb/5005031>) \n[5005033](<http://support.microsoft.com/kb/5005033>) \n[5005030](<http://support.microsoft.com/kb/5005030>) \n[5005106](<http://support.microsoft.com/kb/5005106>) \n[5005040](<http://support.microsoft.com/kb/5005040>) \n[5005099](<http://support.microsoft.com/kb/5005099>) \n[5005043](<http://support.microsoft.com/kb/5005043>) \n[5005076](<http://support.microsoft.com/kb/5005076>) \n[5005094](<http://support.microsoft.com/kb/5005094>) \n[5011535](<http://support.microsoft.com/kb/5011535>) \n[5011564](<http://support.microsoft.com/kb/5011564>) \n[5011560](<http://support.microsoft.com/kb/5011560>) \n[5011527](<http://support.microsoft.com/kb/5011527>)\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": "2021-08-10T00:00:00", "type": "kaspersky", "title": "KLA12259 Multiple vulnerabilities in Microsoft Windows", "bulletinFamily": "info", "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-2021-26424", "CVE-2021-26425", "CVE-2021-26426", "CVE-2021-26431", "CVE-2021-26432", "CVE-2021-26433", "CVE-2021-34480", "CVE-2021-34483", "CVE-2021-34484", "CVE-2021-34486", "CVE-2021-34487", "CVE-2021-34530", "CVE-2021-34533", "CVE-2021-34534", "CVE-2021-34535", "CVE-2021-34536", "CVE-2021-34537", "CVE-2021-36926", "CVE-2021-36927", "CVE-2021-36932", "CVE-2021-36933", "CVE-2021-36936", "CVE-2021-36937", "CVE-2021-36938", "CVE-2021-36942", "CVE-2021-36945", "CVE-2021-36947", "CVE-2021-36948"], "modified": "2022-10-18T00:00:00", "id": "KLA12259", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12259/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "qualysblog": [{"lastseen": "2021-08-21T10:10:11", "description": "### Microsoft Patch Tuesday \u2013 August 2021\n\nMicrosoft patched 51 vulnerabilities in their August 2021 Patch Tuesday release, and 7 of them are rated as critical severity. Three 0-day vulnerability patches were included in the release.\n\n#### Critical Microsoft Vulnerabilities Patched\n\n[CVE-2021-36942](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36942>) - Windows LSA Spoofing Vulnerability\n\nAn unauthenticated attacker could call a method on the LSARPC interface and coerce the domain controller to authenticate against another server using NTLM. A malicious user can use this attack to take complete control over windows domain Per Microsoft, this vulnerability affects all servers, but domain controllers should be prioritized in terms of applying security updates.\n\n[CVE-2021-34481](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34481>) \u2013 Windows Print Spooler Remote Code Execution Vulnerability\n\nA remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. This Patch Tuesday Microsoft released security updates to address this vulnerability and should be prioritized.\n\n#### Three 0-Day Vulnerabilities Patched\n\n * [CVE-2021-36936](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36936>) - Windows Print Spooler Remote Code Execution Vulnerability\n * [CVE-2021-36942](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36942>) - Windows LSA Spoofing Vulnerability\n * [CVE-2021-36948](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36948>) - Windows Update Medic Service Elevation of Privilege Vulnerability - This has been actively exploited, per Microsoft.\n\n#### Qualys QIDs Providing Coverage\n\n**QID**| **Title**| **Severity**| **CVE ID** \n---|---|---|--- \n110388| Microsoft SharePoint Enterprise Server Multiple Vulnerabilities August 2021| Medium| [_CVE-2021-36940_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36940>) \n110389| Microsoft Office and Microsoft Office Services and Web Apps Security Update August 2021 | High| [_CVE-2021-34478_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34478>), [_CVE-2021-36941_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36941>) \n375798| Microsoft Azure CycleCloud Elevation of Privilege Vulnerability August 2021 | Medium| [_CVE-2021-33762_](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33762>), [_CVE-2021-36943_](<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36943>), [_KB3142345_](<https://www.microsoft.com/en-us/download/details.aspx?id=103313>) \n91801| Microsoft Dynamics Business Central Cross-Site (XSS) Scripting Vulnerability August 2021 | Medium | [_CVE-2021-36946_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36946>) \n91802| Microsoft Windows Security Update for August 2021 \n \n | High| CVE-2021-26424, [_CVE-2021-26425_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26425>), [_CVE-2021-26426_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26426>), [_CVE-2021-26431_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26431>), [_CVE-2021-26432_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26432>), [_CVE-2021-26433_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26433>), [_CVE-2021-34480_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34480>), [_CVE-2021-34483_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34483>), [_CVE-2021-34484_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34484>), [_CVE-2021-34486_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34486>), [_CVE-2021-34487_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34487>), [_CVE-2021-34530_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34530>), [_CVE-2021-34533_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34533>), [_CVE-2021-34534_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34534>), [_CVE-2021-34535_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34535>), [_CVE-2021-34536_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34536>), [_CVE-2021-34537_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34537>), [_CVE-2021-36926_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36926>), [_CVE-2021-36927_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36927>), [_CVE-2021-36932_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36932>), [_CVE-2021-36933_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36933>), [_CVE-2021-36936_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36936>), [_CVE-2021-36937_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36937>), [_CVE-2021-36938_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36938>), [_CVE-2021-36947_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36947>), [_CVE-2021-36948_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36948>) \n91803| Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability August 2021 | High| [_CVE-2021-36942_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36942>) \n91804| Microsoft Windows Defender Elevation of Privilege Vulnerability August 2021 | Medium| [_CVE-2021-34471_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34471>) \n91805| Microsoft Windows 10 Update Assistant Elevation of Privilege Vulnerability August 2021 | Medium | [_CVE-2021-36945_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36945>) \n91806| Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability August 2021 | Medium| [_CVE-2021-36949_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36949>) \n91774| Microsoft .NET Core and ASP.NET Core Security Update for August 2021 | High| [_CVE-2021-26423_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26423>), [_CVE-2021-34485_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34485>), [_CVE-2021-34532_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34532>) \n91809| Microsoft Visual Studio Security Update for August 2021 | Medium| [_CVE-2021-26423_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26423>), [_CVE-2021-34485_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34485>), [_CVE-2021-34532_](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34532>) \n \n### Adobe Patch Tuesday \u2013 August 2021\n\nAdobe addressed 29 CVEs this Patch Tuesday impacting Adobe Connect and Magento product. The patches for Magento are labeled as [Priority 2](<https://helpx.adobe.com/security/severity-ratings.html>), while the remaining patches are set to [Priority 3](<https://helpx.adobe.com/security/severity-ratings.html>).\n\n**Adobe Security Bulletin**| **QID**| **Severity**| **CVE ID** \n---|---|---|--- \nAdobe Connect Multiple Vulnerabilities (APSB21-66) | 730152| Medium| [CVE-2021-36061](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36061>), [CVE-2021-36062](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36062>), [CVE-2021-36063](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36063>) \n \n### Discover Patch Tuesday Vulnerabilities in VMDR\n\nQualys VMDR automatically detects new Patch Tuesday vulnerabilities using continuous updates to its Knowledge Base (KB).\n\nYou can see all your impacted hosts by these vulnerabilities using the following QQL query:\n\n`vulnerabilities.vulnerability:(qid:`91774` OR qid:`91801` OR qid:`91802` OR qid:`91803` OR qid:`91804` OR qid:`91805` OR qid:`91806` OR qid:`91809` OR qid:`375798` OR qid:`110389` OR qid:`110388` OR qid:`730152`)`\n\n\n\n### Respond by Patching\n\nVMDR rapidly remediates Windows hosts by deploying the most relevant and applicable per-technology version patches. You can simply select respective QIDs in the Patch Catalog and filter on the \u201cMissing\u201d patches to identify and deploy the applicable, available patches in one go.\n\nThe following QQL will return the missing patches pertaining to this Patch Tuesday.\n\n`(qid:`91774` OR qid:`91801` OR qid:`91802` OR qid:`91803` OR qid:`91804` OR qid:`91805` OR qid:`91806` OR qid:`91809` OR qid:`375798` OR qid:`110389` OR qid:`110388` OR qid:`730152`)`\n\n\n\n### Patch Tuesday Dashboard\n\nThe current updated Patch Tuesday dashboards are available in [Dashboard Toolbox: 2021 Patch Tuesday Dashboard](<https://success.qualys.com/discussions/s/article/000006505>).\n\n### Webinar Series: This Month in Vulnerabilities and Patches\n\nTo help customers leverage the seamless integration between Qualys VMDR and Patch Management and reduce the median time to remediate critical vulnerabilities, the Qualys Research team is hosting a monthly webinar series [_This Month in Vulnerabilities and Patches_](<https://www.brighttalk.com/webcast/11673/502309>).\n\nWe discuss some of the key vulnerabilities disclosed in the past month and how to patch them:\n\n * Microsoft Patch Tuesday, August 2021\n * Adobe Patch Tuesday, August 2021\n\n[Join us live or watch on demand!](<https://www.brighttalk.com/webcast/11673/502309>)\n\n[Webinar August 12, 2021 or on demand](<https://www.brighttalk.com/webcast/11673/502309>).\n\n### About Patch Tuesday\n\nPatch Tuesday QIDs are published at [Security Alerts](<https://www.qualys.com/research/security-alerts/>), typically late in the evening of [Patch Tuesday](<https://blog.qualys.com/tag/patch-tuesday>), followed shortly after by [PT dashboards](<https://qualys-secure.force.com/discussions/s/article/000006505>).", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-08-10T19:58:49", "type": "qualysblog", "title": "Microsoft and Adobe Patch Tuesday (August 2021) \u2013 Microsoft 51 Vulnerabilities with 7 Critical, Adobe 29 Vulnerabilities", "bulletinFamily": "blog", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 4.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-26423", "CVE-2021-26424", "CVE-2021-26425", "CVE-2021-26426", "CVE-2021-26431", "CVE-2021-26432", "CVE-2021-26433", "CVE-2021-33762", "CVE-2021-34471", "CVE-2021-34478", "CVE-2021-34480", "CVE-2021-34481", "CVE-2021-34483", "CVE-2021-34484", "CVE-2021-34485", "CVE-2021-34486", "CVE-2021-34487", "CVE-2021-34530", "CVE-2021-34532", "CVE-2021-34533", "CVE-2021-34534", "CVE-2021-34535", "CVE-2021-34536", "CVE-2021-34537", "CVE-2021-36061", "CVE-2021-36062", "CVE-2021-36063", "CVE-2021-36926", "CVE-2021-36927", "CVE-2021-36932", "CVE-2021-36933", "CVE-2021-36936", "CVE-2021-36937", "CVE-2021-36938", "CVE-2021-36940", "CVE-2021-36941", "CVE-2021-36942", "CVE-2021-36943", "CVE-2021-36945", "CVE-2021-36946", "CVE-2021-36947", "CVE-2021-36948", "CVE-2021-36949"], "modified": "2021-08-10T19:58:49", "id": "QUALYSBLOG:0F0ACCA731E84F3B1067935E483FC950", "href": "https://blog.qualys.com/category/vulnerabilities-threat-research", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "rapid7blog": [{"lastseen": "2021-08-21T10:49:33", "description": "\n\nHot off the press, it\u2019s another issue of the Patch Tuesday blog! While the number of vulnerabilities is low this month, there are a number of high risk items administrators will want to patch right away including a few that will require additional remediation steps. This Patch Tuesday also includes updates for three vulnerabilities that were publicly disclosed earlier this month. Let\u2019s jump in.\n\n## Windows Elevation of Privilege Vulnerability aka HiveNightmare/SeriousSAM\n\n<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36934> \nWith a public proof-of-concept having been available for some time, administrators should prioritize taking action on CVE-2021-36934. Remediation for this vulnerability requires volume shadow copies for system files to be deleted. This is due to the nature of the vulnerability, as the files with the vulnerable permissions could be restored from a backup and accessed even after the patch is installed. Microsoft indicates they took caution not to delete users' backups, but the trade-off is that customers will need to do the chore themselves. We've updated [our blog post](<https://www.rapid7.com/blog/post/2021/07/21/microsoft-sam-file-readability-cve-2021-36934-what-you-need-to-know/>) with this additional information.\n\n## Windows LSA Spoofing Vulnerability aka ADV210003\n\n<https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36942> \nAnother high priority action for patching teams is CVE-2021-36942. This update patches one of the vectors used in the PetitPotam attack. After applying this update there are additional configurations required in order to protect systems from other attack vectors using registry keys. The InsightVM team has included detection for the registry keys needed to enable EPA and SMB Signing in addition to the normal update. Please see [our blog post](<https://www.rapid7.com/blog/post/2021/08/03/petitpotam-novel-attack-chain-can-fully-compromise-windows-domains-running-ad-cs/>) for more information.\n\n## Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability\n\n<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26432> \nWhile Microsoft has not offered up any details for this vulnerability we can glean some info from the CVSS information. This remote code execution vulnerability is reachable from the network service with no authentication or user action required. There may not be an exploit available for this yet, but Microsoft indicates that \u201cExploitation [is] more likely\u201d. Put this update near the top of your TODO list.\n\n## Windows TCP/IP Remote Code Execution Vulnerability\n\n<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26424> \nLast on our list is a vulnerability that can result in remote execution on a Hyper-V host via the IPv6 networking stack. If Hyper-V is used in your environment this should be first on your list this month. \n\n## Summary Graphs\n\n\n\n## Summary Tables\n\n## Azure Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-36949](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36949>) | Microsoft Azure Active Directory Connect Authentication Bypass Vulnerability | No | No | 7.1 | Yes \n[CVE-2021-26428](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26428>) | Azure Sphere Information Disclosure Vulnerability | No | No | 4.4 | Yes \n[CVE-2021-26429](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26429>) | Azure Sphere Elevation of Privilege Vulnerability | No | No | 7.7 | Yes \n[CVE-2021-26430](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26430>) | Azure Sphere Denial of Service Vulnerability | No | No | 6 | Yes \n[CVE-2021-33762](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33762>) | Azure CycleCloud Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-36943](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36943>) | Azure CycleCloud Elevation of Privilege Vulnerability | No | No | 4 | No \n \n## Browser Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-30597](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30597>) | Chromium: CVE-2021-30597 Use after free in Browser UI | No | No | | Yes \n[CVE-2021-30596](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30596>) | Chromium: CVE-2021-30596 Incorrect security UI in Navigation | No | No | | Yes \n[CVE-2021-30594](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30594>) | Chromium: CVE-2021-30594 Use after free in Page Info UI | No | No | | Yes \n[CVE-2021-30593](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30593>) | Chromium: CVE-2021-30593 Out of bounds read in Tab Strip | No | No | | Yes \n[CVE-2021-30592](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30592>) | Chromium: CVE-2021-30592 Out of bounds write in Tab Groups | No | No | | Yes \n[CVE-2021-30591](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30591>) | Chromium: CVE-2021-30591 Use after free in File System API | No | No | | Yes \n[CVE-2021-30590](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30590>) | Chromium: CVE-2021-30590 Heap buffer overflow in Bookmarks | No | No | | Yes \n \n## Developer Tools Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34532](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34532>) | ASP.NET Core and Visual Studio Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-34485](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34485>) | .NET Core and Visual Studio Information Disclosure Vulnerability | No | No | 5 | Yes \n[CVE-2021-26423](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423>) | .NET Core and Visual Studio Denial of Service Vulnerability | No | No | 7.5 | No \n \n## Microsoft Dynamics Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-36946](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36946>) | Microsoft Dynamics Business Central Cross-site Scripting Vulnerability | No | No | 5.4 | No \n[CVE-2021-34524](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34524>) | Microsoft Dynamics 365 (on-premises) Remote Code Execution Vulnerability | No | No | 8.1 | No \n[CVE-2021-36950](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36950>) | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | No | No | 5.4 | No \n \n## Microsoft Office Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-36941](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36941>) | Microsoft Word Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-36940](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36940>) | Microsoft SharePoint Server Spoofing Vulnerability | No | No | 7.6 | No \n[CVE-2021-34478](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34478>) | Microsoft Office Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n \n## System Center Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34471](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34471>) | Microsoft Windows Defender Elevation of Privilege Vulnerability | No | No | 7.8 | Yes \n \n## Windows Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-26426](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26426>) | Windows User Account Profile Picture Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-36948](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36948>) | Windows Update Medic Service Elevation of Privilege Vulnerability | Yes | No | 7.8 | No \n[CVE-2021-26432](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26432>) | Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability | No | No | 9.8 | No \n[CVE-2021-26433](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26433>) | Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability | No | No | 7.5 | Yes \n[CVE-2021-36926](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36926>) | Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability | No | No | 7.5 | Yes \n[CVE-2021-36932](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36932>) | Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability | No | No | 7.5 | Yes \n[CVE-2021-36933](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36933>) | Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability | No | No | 7.5 | Yes \n[CVE-2021-26431](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26431>) | Windows Recovery Environment Agent Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34534](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34534>) | Windows MSHTML Platform Remote Code Execution Vulnerability | No | No | 6.8 | Yes \n[CVE-2021-34530](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34530>) | Windows Graphics Component Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-34486](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34486>) | Windows Event Tracing Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34487](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34487>) | Windows Event Tracing Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-36938](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36938>) | Windows Cryptographic Primitives Library Information Disclosure Vulnerability | No | No | 5.5 | No \n[CVE-2021-36945](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36945>) | Windows 10 Update Assistant Elevation of Privilege Vulnerability | No | No | 7.3 | No \n[CVE-2021-34536](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34536>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n \n## Windows ESU Vulnerabilities\n\nCVE | Title | Exploited | Disclosed | CVSS3 | FAQ \n---|---|---|---|---|--- \n[CVE-2021-34484](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34484>) | Windows User Profile Service Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-26424](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26424>) | Windows TCP/IP Remote Code Execution Vulnerability | No | No | 9.9 | Yes \n[CVE-2021-36936](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36936>) | Windows Print Spooler Remote Code Execution Vulnerability | No | Yes | 8.8 | No \n[CVE-2021-36947](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36947>) | Windows Print Spooler Remote Code Execution Vulnerability | No | No | 8.8 | No \n[CVE-2021-34483](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34483>) | Windows Print Spooler Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-36937](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36937>) | Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-36942](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36942>) | Windows LSA Spoofing Vulnerability | No | Yes | 7.5 | Yes \n[CVE-2021-34533](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34533>) | Windows Graphics Component Font Parsing Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-26425](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26425>) | Windows Event Tracing Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-36927](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36927>) | Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-34537](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34537>) | Windows Bluetooth Driver Elevation of Privilege Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-34480](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34480>) | Scripting Engine Memory Corruption Vulnerability | No | No | 6.8 | Yes \n[CVE-2021-34535](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34535>) | Remote Desktop Client Remote Code Execution Vulnerability | No | No | 8.8 | Yes", "cvss3": {}, "published": "2021-08-11T03:19:33", "type": "rapid7blog", "title": "Patch Tuesday - August 2021", "bulletinFamily": "info", "cvss2": {}, "cvelist": ["CVE-2021-26423", "CVE-2021-26424", "CVE-2021-26425", "CVE-2021-26426", "CVE-2021-26428", "CVE-2021-26429", "CVE-2021-26430", "CVE-2021-26431", "CVE-2021-26432", "CVE-2021-26433", "CVE-2021-30590", "CVE-2021-30591", "CVE-2021-30592", "CVE-2021-30593", "CVE-2021-30594", "CVE-2021-30596", "CVE-2021-30597", "CVE-2021-33762", "CVE-2021-34471", "CVE-2021-34478", "CVE-2021-34480", "CVE-2021-34483", "CVE-2021-34484", "CVE-2021-34485", "CVE-2021-34486", "CVE-2021-34487", "CVE-2021-34524", "CVE-2021-34530", "CVE-2021-34532", "CVE-2021-34533", "CVE-2021-34534", "CVE-2021-34535", "CVE-2021-34536", "CVE-2021-34537", "CVE-2021-36926", "CVE-2021-36927", "CVE-2021-36932", "CVE-2021-36933", "CVE-2021-36934", "CVE-2021-36936", "CVE-2021-36937", "CVE-2021-36938", "CVE-2021-36940", "CVE-2021-36941", "CVE-2021-36942", "CVE-2021-36943", "CVE-2021-36945", "CVE-2021-36946", "CVE-2021-36947", "CVE-2021-36948", "CVE-2021-36949", "CVE-2021-36950"], "modified": "2021-08-11T03:19:33", "id": "RAPID7BLOG:DE426F8A59CA497BB6C0B90C0F1849CD", "href": "https://blog.rapid7.com/2021/08/11/patch-tuesday-august-2021/", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}]}
Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability
