{"mscve": [{"lastseen": "2021-12-06T18:18:09", "description": "Console Window Host Security Feature Bypass Vulnerability \n", "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": "2021-10-12T07:00:00", "type": "mscve", "title": "Console Window Host Security Feature Bypass Vulnerability", "bulletinFamily": "microsoft", "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-2021-41346"], "modified": "2021-10-12T07:00:00", "id": "MS:CVE-2021-41346", "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41346", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}], "mskb": [{"lastseen": "2022-05-12T14:49:47", "description": "None\n**NEW 10/12/21** \n**IMPORTANT **Windows 10, version 2004 will reach end of servicing on December 14, 2021. To continue receiving security and quality updates, Microsoft recommends that you update to the latest version of Windows 10.\n\n**11/17/20**For information about Windows update terminology, see the article about the [types of Windows updates](<https://docs.microsoft.com/troubleshoot/windows-client/deployment/standard-terminology-software-updates>) and the [monthly quality update types](<https://techcommunity.microsoft.com/t5/windows-it-pro-blog/windows-quality-updates-primer/ba-p/2569385>). For an overview of Windows 10, version 2004, see its [update history page](<https://support.microsoft.com/en-us/help/4555932>). **Note **Follow [@WindowsUpdate](<https://twitter.com/windowsupdate>) to find out when new content is published to the release information dashboard.\n\n## Highlights\n\n * Updates security for your Windows operating system. \n\n## Improvements and fixes\n\n**Note **To view the list of addressed issues, click or tap the OS name to expand the collapsible section.\n\n## \n\n__\n\nWindows 10, version 21H1\n\nThis security update includes quality improvements. Key changes include: \n\n * This build includes all the improvements from Windows 10, version 2004.\n * No additional issues were documented for this release.\n\n## \n\n__\n\nWindows 10, version 20H2\n\nThis security update includes quality improvements. Key changes include:\n\n * This build includes all the improvements from Windows 10, version 2004.\n * No additional issues were documented for this release.\n\n## \n\n__\n\nWindows 10, version 2004\n\n**Note: **This release also contains updates for Microsoft HoloLens (OS Build 19041.1168) released October 12, 2021. Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\nThis security update includes quality improvements. Key changes include:\n\n * Addresses a known issue that prevents an internet print server from properly packaging modified printer properties before sending the package to the client.\n * Addresses an issue that prevents some applications, such as Microsoft Office and Adobe Reader, from opening or causes them to stop responding. This occurs on devices that are subject to [Microsoft Exploit Protection](<https://docs.microsoft.com/microsoft-365/security/defender-endpoint/exploit-protection-reference?view=o365-worldwide>)for Export Address Filtering (EAF).\n * Addresses a known issue that might ask for administrative credentials every time you attempt to print. This occurs in environments in which the print server and print client are in different times zones.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the new [Security Update Guide](<https://msrc.microsoft.com/update-guide>) website and the [October 2021 Security Updates](<https://msrc.microsoft.com/update-guide/releaseNote/2021-Oct>).\n\n### Windows 10 servicing stack update - 19041.1220, 19042.1220, and 19043.1220\n\n * This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.\n\n## Known issues in this update\n\n## \n\n__\n\nClick or tap to view the known issues\n\n**Symptom**| **Workaround** \n---|--- \nDevices with Windows installations created from custom offline media or custom ISO image might have [Microsoft Edge Legacy](<https://support.microsoft.com/microsoft-edge/what-is-microsoft-edge-legacy-3e779e55-4c55-08e6-ecc8-2333768c0fb0>) removed by this update, but not automatically replaced by the new Microsoft Edge. This issue is only encountered when custom offline media or ISO images are created by slipstreaming this update into the image without having first installed the standalone servicing stack update (SSU) released March 29, 2021 or later.**Note **Devices that connect directly to Windows Update to receive updates are not affected. This includes devices using Windows Update for Business. Any device connecting to Windows Update should always receive the latest versions of the SSU and latest cumulative update (LCU) without any extra steps. | To avoid this issue, be sure to first slipstream the SSU released March 29, 2021 or later into the custom offline media or ISO image before slipstreaming the LCU. To do this with the combined SSU and LCU packages now used for Windows 10, version 20H2 and Windows 10, version 2004, you will need to extract the SSU from the combined package. Use the following steps to extract the SSU:\n\n 1. Extract the cab from the msu via this command line (using the package for KB5000842 as an example): **expand Windows10.0-KB5000842-x64.msu /f:Windows10.0-KB5000842-x64.cab <destination path>**\n 2. Extract the SSU from the previously extracted cab via this command line: **expand Windows10.0-KB5000842-x64.cab /f:* <destination path>**\n 3. You will then have the SSU cab, in this example named **SSU-19041.903-x64.cab**. Slipstream this file into your offline image first, then the LCU.\nIf you have already encountered this issue by installing the OS using affected custom media, you can mitigate it by directly installing the [new Microsoft Edge](<https://www.microsoft.com/edge>). If you need to broadly deploy the new Microsoft Edge for business, see [Download and deploy Microsoft Edge for business](<https://www.microsoft.com/edge/business/download>). \nAfter installing the June 21, 2021 (KB5003690) update, some devices cannot install new updates, such as the July 6, 2021 (KB5004945) or later updates. You will receive the error message, \"PSFX_E_MATCHING_BINARY_MISSING\".| For more information and a workaround, see KB5005322. \nAfter installing KB5005565, installation of printers using Internet Printing Protocol (IPP) might not complete successfully. Devices which had connected to and installed the printer prior to the installation of KB5005565 are unaffected and print operations to that printer will succeed as usual.**Note **IPP is not commonly used by devices designed for home use. Printing environments affected by this issue are more commonly found in enterprises and organizations.| This issue is resolved in KB5006738. \nAfter installing this update, when connecting to devices in an untrusted domain using Remote Desktop, connections might fail to authenticate when using smart card authentication. You might receive the prompt, \"Your credentials did not work. The credentials that were used to connect to [device name] did not work. Please enter new credentials.\" and \"The login attempt failed\" in red.| This issue is addressed in KB5007253. \nAfter installing this update, Windows print clients might encounter the following errors when connecting to a remote printer shared on a Windows print server:\n\n * 0x000006e4 (RPC_S_CANNOT_SUPPORT)\n * 0x0000007c (ERROR_INVALID_LEVEL)\n * 0x00000709 (ERROR_INVALID_PRINTER_NAME)\n**Note** The printer connection issues described in this issue are specific to print servers and are not commonly observed in devices designed for home use. Printing environments affected by this issue are more commonly found in enterprises and organizations.| This issue is resolved in KB5007253. \nWhen attempting to reset a Windows device with apps that have folders with [reparse data](<https://docs.microsoft.com/windows/win32/fileio/reparse-points>), such as OneDrive or OneDrive for Business, files which have been downloaded or synced locally from OneDrive might not be deleted when selecting the \u201cRemove everything\u201d option. This issue might be encountered when attempting a [manual reset initiated within Windows](<https://support.microsoft.com/windows/recovery-options-in-windows-31ce2444-7de3-818c-d626-e3b5a3024da5#bkmk_win11_reset_pc>) or a remote reset. Remote resets might be initiated from Mobile Device Management (MDM) or other management applications, such as [Microsoft Intune](<https://docs.microsoft.com/mem/intune/remote-actions/device-fresh-start>) or third-party tools. OneDrive files that are \u201ccloud only\u201d or have not been downloaded or opened on the device are not affected and will not persist, as the files are not downloaded or synced locally.**Note** Some device manufacturers and some documentation might call the feature to reset your device, \"Push Button Reset\", \"PBR\", \"Reset This PC\", \"Reset PC\", or \"Fresh Start\".| This issue was addressed in KB5011487. Some devices might take up to seven (7) days after the installation of KB5011487 to fully address the issue and prevent files from persisting after a reset. For immediate effect, you can manually trigger Windows Update Troubleshooter using the instructions in [Windows Update Troubleshooter](<https://support.microsoft.com/windows/windows-update-troubleshooter-19bc41ca-ad72-ae67-af3c-89ce169755dd>). If you are part of an organization that manages devices or prepared OS images for deployment, you can also address this issue by applying a compatibility update for installing and recovering Windows. Doing that makes improvements to the \"safe operating system\" (SafeOS) that is used to update the Windows recovery environment (WinRE). You can deploy these updates using the instructions in [Add an update package to Windows RE](<https://docs.microsoft.com/windows-hardware/manufacture/desktop/add-update-to-winre?view=windows-10>) using [KB5012419](<https://support.microsoft.com/help/5012419>) for Windows 10, version 21H2, Windows 10, version 21H1, and Windows 10, version 20H2.**Important **If devices have already been reset and OneDrive files have persisted, you must use a workaround above or perform another reset after applying one of the workarounds above. \n \n## How to get this update\n\n**Before installing this update**Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see [Servicing stack updates](<https://docs.microsoft.com/windows/deployment/update/servicing-stack-updates>) and [Servicing Stack Updates (SSU): Frequently Asked Questions](<https://support.microsoft.com/topic/servicing-stack-updates-ssu-frequently-asked-questions-06b62771-1cb0-368c-09cf-87c4efc4f2fe>).Prerequisite:For Windows Server Update Services (WSUS) deployment or when installing the standalone package from Microsoft Update Catalog:If your devices do not have the May 11, 2021 update (KB5003173) or later LCU, you **must **install the special standalone August 10, 2021 SSU (KB5005260).**Install this update****Release Channel**| **Available**| **Next Step** \n---|---|--- \nWindows Update and Microsoft Update| Yes| None. This update will be downloaded and installed automatically from Windows Update. \nWindows Update for Business| Yes| None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. \nMicrosoft Update Catalog| Yes| To get the standalone package for this update, go to the [Microsoft Update Catalog](<https://www.catalog.update.microsoft.com/Search.aspx?q=KB5006670>) website. \nWindows Server Update Services (WSUS)| Yes| This update will automatically sync with WSUS if you configure **Products and Classifications** as follows:**Product**: Windows 10, version 1903 and later**Classification**: Security Updates \n \n**If you want to remove the LCU**To remove the LCU after installing the combined SSU and LCU package, use the [DISM/Remove-Package](<https://docs.microsoft.com/windows-hardware/manufacture/desktop/dism-operating-system-package-servicing-command-line-options>) command line option with the LCU package name as the argument. You can find the package name by using this command: **DISM /online /get-packages**.Running [Windows Update Standalone Installer](<https://support.microsoft.com/topic/description-of-the-windows-update-standalone-installer-in-windows-799ba3df-ec7e-b05e-ee13-1cdae8f23b19>) (**wusa.exe**) with the **/uninstall **switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.\n\n**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 5006670](<https://download.microsoft.com/download/f/b/7/fb742aab-3150-4667-a287-0a3f596ab472/5006670.csv>). For a list of the files that are provided in the servicing stack update, download the [file information for the SSU - version 19041.1220, 19042.1220, and 19043.1220](<https://download.microsoft.com/download/5/8/e/58e627eb-d91a-470b-a67b-8cdfddd9c71c/SSU_version_19041_1220.csv>). \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-10-12T07:00:00", "type": "mskb", "title": "October 12, 2021\u2014KB5006670 (OS Builds 19041.1288, 19042.1288, and 19043.1288)", "bulletinFamily": "microsoft", "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"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-41346"], "modified": "2021-10-12T07:00:00", "id": "KB5006670", "href": "https://support.microsoft.com/en-us/help/5006670", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}}], "nessus": [{"lastseen": "2022-05-19T15:10:33", "description": "The remote Windows host is missing security update 5006670.\nIt is, therefore, affected by multiple vulnerabilities:\n\n - A security feature bypass vulnerability exists. 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An\n attacker can exploit this and bypass the security\n feature and perform unauthorized actions compromising\n the integrity of the system/application.\n (CVE-2021-40460, CVE-2021-41338, CVE-2021-41346)\n\n - A denial of service (DoS) vulnerability. An attacker can\n exploit this issue to cause the affected component to\n deny system or application services. (CVE-2021-36953,\n CVE-2021-40463)\n\n - An information disclosure vulnerability. An attacker can\n exploit this to disclose potentially sensitive\n information. (CVE-2021-38662, CVE-2021-38663,\n CVE-2021-40454, CVE-2021-40468, CVE-2021-40475,\n CVE-2021-41332, CVE-2021-41343)\n\n - An elevation of privilege vulnerability. An attacker can\n exploit this to gain elevated privileges.\n (CVE-2021-26441, CVE-2021-26442, CVE-2021-40443,\n CVE-2021-40449, CVE-2021-40450, CVE-2021-40464,\n CVE-2021-40466, CVE-2021-40467, CVE-2021-40470,\n CVE-2021-40476, CVE-2021-40477, CVE-2021-40478,\n CVE-2021-40488, CVE-2021-40489, CVE-2021-41334,\n CVE-2021-41335, CVE-2021-41339, CVE-2021-41345,\n CVE-2021-41347, CVE-2021-41357)\n\n - A session spoofing vulnerability exists. An attacker can\n exploit this to perform actions with the privileges of\n another user. (CVE-2021-36970, CVE-2021-40455)\n\n - A remote code execution vulnerability. An attacker can\n exploit this to bypass authentication and execute\n unauthorized arbitrary commands. (CVE-2021-40461,\n CVE-2021-40462, CVE-2021-40465, CVE-2021-41330,\n CVE-2021-41331, CVE-2021-41340, CVE-2021-41342)\");\n script_set_attribute(attribute:\"see_also\", value:\"https://support.microsoft.com/en-us/help/5006670\");\n script_set_attribute(attribute:\"solution\", value:\n\"Apply Security Update KB5006670.\");\n script_set_cvss_base_vector(\"CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C\");\n script_set_cvss_temporal_vector(\"CVSS2#E:H/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:H/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2021-41345\");\n script_set_attribute(attribute:\"cvss3_score_source\", value:\"CVE-2021-40461\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"Exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"true\");\n script_set_attribute(attribute:\"exploited_by_malware\", value:\"true\");\n script_set_attribute(attribute:\"metasploit_name\", value:'Win32k NtGdiResetDC Use After Free Local Privilege Elevation');\n script_set_attribute(attribute:\"exploit_framework_metasploit\", value:\"true\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2021/10/12\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2021/10/12\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2021/10/12\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:microsoft:windows\");\n script_set_attribute(attribute:\"stig_severity\", value:\"I\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"Windows : Microsoft Bulletins\");\n\n script_copyright(english:\"This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"smb_check_rollup.nasl\", \"smb_hotfixes.nasl\", \"ms_bulletin_checks_possible.nasl\");\n script_require_keys(\"SMB/MS_Bulletin_Checks/Possible\");\n script_require_ports(139, 445, \"Host/patch_management_checks\");\n\n exit(0);\n}\n\ninclude('audit.inc');\ninclude('smb_hotfixes_fcheck.inc');\ninclude('smb_hotfixes.inc');\ninclude('smb_func.inc');\ninclude('misc_func.inc');\n\nget_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');\n\nbulletin = \"MS21-10\";\nkbs = make_list('5006670');\n\nif (get_kb_item('Host/patch_management_checks')) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);\n\nget_kb_item_or_exit('SMB/Registry/Enumerated');\nget_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);\n\nif (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);\n\nshare = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);\nif (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);\n\nif (\n smb_check_rollup(os:\"10\",\n sp:0,\n os_build:'19041',\n rollup_date:'10_2021',\n bulletin:bulletin,\n rollup_kb_list:[5006670]\n )\n|| smb_check_rollup(os:\"10\",\n sp:0,\n os_build:'19042',\n rollup_date:'10_2021',\n bulletin:bulletin,\n rollup_kb_list:[5006670]\n ) \n|| smb_check_rollup(os:\"10\",\n sp:0,\n os_build:'19043',\n rollup_date:'10_2021',\n bulletin:bulletin,\n rollup_kb_list:[5006670]\n ) \n)\n{\n replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);\n hotfix_security_hole();\n hotfix_check_fversion_end();\n exit(0);\n}\nelse\n{\n hotfix_check_fversion_end();\n audit(AUDIT_HOST_NOT, hotfix_get_audit_report());\n}\n", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "kaspersky": [{"lastseen": "2022-01-19T17:39:26", "description": "### *Detect date*:\n10/12/2021\n\n### *Severity*:\nHigh\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, bypass security restrictions, obtain sensitive information, spoof user interface, execute arbitrary code, 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 for 32-bit Systems \nWindows Server, version 2004 (Server Core installation) \nWindows RT 8.1 \nWindows 10 Version 20H2 for ARM64-based Systems \nWindows 10 Version 21H1 for x64-based Systems \nWindows 10 Version 1809 for 32-bit Systems \nWindows 7 for 32-bit Systems Service Pack 1 \nWindows Server, version 20H2 (Server Core Installation) \nWindows 7 for x64-based Systems Service Pack 1 \nWindows Server 2012 (Server Core installation) \nWindows 10 Version 21H1 for ARM64-based Systems \nWindows Server 2016 (Server Core installation) \nWindows 10 Version 20H2 for 32-bit Systems \nWindows 11 for x64-based Systems \nWindows Server 2019 (Server Core installation) \nWindows 10 Version 1909 for ARM64-based Systems \nWindows Server 2012 R2 \nWindows 10 Version 2004 for 32-bit Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 \nWindows Server 2022 (Server Core installation) \nWindows 10 Version 1607 for 32-bit Systems \nWindows 11 for ARM64-based Systems \nWindows 10 Version 1909 for x64-based Systems \nWindows Server 2008 for x64-based Systems Service Pack 2 \nWindows Server 2016 \nWindows Server 2008 for 32-bit Systems Service Pack 2 \nWindows 10 Version 2004 for ARM64-based Systems \nWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) \nWindows 10 Version 20H2 for x64-based Systems \nWindows 10 for x64-based Systems \nWindows 10 Version 21H1 for 32-bit Systems \nWindows 10 Version 1809 for ARM64-based Systems \nWindows Server 2012 \nWindows 10 Version 2004 for x64-based Systems \nWindows 10 Version 1809 for x64-based Systems \nWindows 10 Version 1607 for x64-based Systems \nWindows 10 Version 1909 for 32-bit Systems \nWindows Server 2019 \nWindows Server 2022 \nWindows Server 2012 R2 (Server Core installation) \nWindows 8.1 for x64-based systems \nWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) \nWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) \nWindows 8.1 for 32-bit systems\n\n### *Solution*:\nInstall necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)\n\n### *Original advisories*:\n[CVE-2021-40464](<https://nvd.nist.gov/vuln/detail/CVE-2021-40464>) \n[CVE-2021-40477](<https://nvd.nist.gov/vuln/detail/CVE-2021-40477>) \n[CVE-2021-41337](<https://nvd.nist.gov/vuln/detail/CVE-2021-41337>) \n[CVE-2021-40470](<https://nvd.nist.gov/vuln/detail/CVE-2021-40470>) \n[CVE-2021-41336](<https://nvd.nist.gov/vuln/detail/CVE-2021-41336>) \n[CVE-2021-40455](<https://nvd.nist.gov/vuln/detail/CVE-2021-40455>) \n[CVE-2021-41345](<https://nvd.nist.gov/vuln/detail/CVE-2021-41345>) \n[CVE-2021-41335](<https://nvd.nist.gov/vuln/detail/CVE-2021-41335>) \n[CVE-2021-40468](<https://nvd.nist.gov/vuln/detail/CVE-2021-40468>) \n[CVE-2021-40449](<https://nvd.nist.gov/vuln/detail/CVE-2021-40449>) \n[CVE-2021-40488](<https://nvd.nist.gov/vuln/detail/CVE-2021-40488>) \n[CVE-2021-38663](<https://nvd.nist.gov/vuln/detail/CVE-2021-38663>) \n[CVE-2021-40476](<https://nvd.nist.gov/vuln/detail/CVE-2021-40476>) \n[CVE-2021-41342](<https://nvd.nist.gov/vuln/detail/CVE-2021-41342>) \n[CVE-2021-26442](<https://nvd.nist.gov/vuln/detail/CVE-2021-26442>) \n[CVE-2021-40461](<https://nvd.nist.gov/vuln/detail/CVE-2021-40461>) \n[CVE-2021-41339](<https://nvd.nist.gov/vuln/detail/CVE-2021-41339>) \n[CVE-2021-40467](<https://nvd.nist.gov/vuln/detail/CVE-2021-40467>) \n[CVE-2021-41340](<https://nvd.nist.gov/vuln/detail/CVE-2021-41340>) \n[CVE-2021-41330](<https://nvd.nist.gov/vuln/detail/CVE-2021-41330>) \n[CVE-2021-40443](<https://nvd.nist.gov/vuln/detail/CVE-2021-40443>) \n[CVE-2021-40489](<https://nvd.nist.gov/vuln/detail/CVE-2021-40489>) \n[CVE-2021-40463](<https://nvd.nist.gov/vuln/detail/CVE-2021-40463>) \n[CVE-2021-40475](<https://nvd.nist.gov/vuln/detail/CVE-2021-40475>) \n[CVE-2021-41343](<https://nvd.nist.gov/vuln/detail/CVE-2021-41343>) \n[CVE-2021-41346](<https://nvd.nist.gov/vuln/detail/CVE-2021-41346>) \n[CVE-2021-40478](<https://nvd.nist.gov/vuln/detail/CVE-2021-40478>) \n[CVE-2021-40456](<https://nvd.nist.gov/vuln/detail/CVE-2021-40456>) \n[CVE-2021-40462](<https://nvd.nist.gov/vuln/detail/CVE-2021-40462>) \n[CVE-2021-36970](<https://nvd.nist.gov/vuln/detail/CVE-2021-36970>) \n[CVE-2021-38662](<https://nvd.nist.gov/vuln/detail/CVE-2021-38662>) \n[CVE-2021-41357](<https://nvd.nist.gov/vuln/detail/CVE-2021-41357>) \n[CVE-2021-41332](<https://nvd.nist.gov/vuln/detail/CVE-2021-41332>) \n[CVE-2021-40466](<https://nvd.nist.gov/vuln/detail/CVE-2021-40466>) \n[CVE-2021-41331](<https://nvd.nist.gov/vuln/detail/CVE-2021-41331>) \n[CVE-2021-38672](<https://nvd.nist.gov/vuln/detail/CVE-2021-38672>) \n[CVE-2021-40469](<https://nvd.nist.gov/vuln/detail/CVE-2021-40469>) \n[CVE-2021-41338](<https://nvd.nist.gov/vuln/detail/CVE-2021-41338>) \n[CVE-2021-40450](<https://nvd.nist.gov/vuln/detail/CVE-2021-40450>) \n[CVE-2021-41347](<https://nvd.nist.gov/vuln/detail/CVE-2021-41347>) \n[CVE-2021-36953](<https://nvd.nist.gov/vuln/detail/CVE-2021-36953>) \n[CVE-2021-40460](<https://nvd.nist.gov/vuln/detail/CVE-2021-40460>) \n[CVE-2021-26441](<https://nvd.nist.gov/vuln/detail/CVE-2021-26441>) \n[CVE-2021-40465](<https://nvd.nist.gov/vuln/detail/CVE-2021-40465>) \n[CVE-2021-40454](<https://nvd.nist.gov/vuln/detail/CVE-2021-40454>) \n[CVE-2021-41361](<https://nvd.nist.gov/vuln/detail/CVE-2021-41361>) \n[CVE-2021-41334](<https://nvd.nist.gov/vuln/detail/CVE-2021-41334>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Office](<https://threats.kaspersky.com/en/product/Microsoft-Office/>)\n\n### *CVE-IDS*:\n[CVE-2021-36970](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36970>)4.3Warning \n[CVE-2021-40455](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40455>)2.1Warning \n[CVE-2021-38662](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38662>)4.9Warning \n[CVE-2021-41335](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41335>)7.2High \n[CVE-2021-40449](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40449>)4.6Warning \n[CVE-2021-38663](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38663>)2.1Warning \n[CVE-2021-41342](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41342>)6.8High \n[CVE-2021-26442](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26442>)4.6Warning \n[CVE-2021-41332](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41332>)4.0Warning \n[CVE-2021-40466](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40466>)4.6Warning \n[CVE-2021-41331](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41331>)6.8High \n[CVE-2021-40469](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40469>)6.5High \n[CVE-2021-41340](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41340>)6.8High \n[CVE-2021-40467](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40467>)4.6Warning \n[CVE-2021-36953](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36953>)5.0Critical \n[CVE-2021-40489](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40489>)7.2High \n[CVE-2021-40443](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40443>)4.6Warning \n[CVE-2021-40460](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40460>)4.0Warning \n[CVE-2021-40465](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40465>)6.8High \n[CVE-2021-41343](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41343>)2.1Warning \n[CVE-2021-40464](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40464>)5.2High \n[CVE-2021-40477](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40477>)4.6Warning \n[CVE-2021-41337](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41337>)4.0Warning \n[CVE-2021-40470](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40470>)4.6Warning \n[CVE-2021-41336](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41336>)2.1Warning \n[CVE-2021-41345](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41345>)7.2High \n[CVE-2021-40468](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40468>)2.1Warning \n[CVE-2021-40488](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40488>)7.2High \n[CVE-2021-40476](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40476>)6.8High \n[CVE-2021-40461](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40461>)5.2High \n[CVE-2021-41339](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41339>)4.6Warning \n[CVE-2021-41330](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41330>)6.8High \n[CVE-2021-40463](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40463>)4.0Warning \n[CVE-2021-40475](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40475>)2.1Warning \n[CVE-2021-41346](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41346>)4.6Warning \n[CVE-2021-40478](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40478>)7.2High \n[CVE-2021-40456](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40456>)5.0Critical \n[CVE-2021-40462](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40462>)6.8High \n[CVE-2021-41357](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41357>)4.6Warning \n[CVE-2021-38672](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38672>)5.2High \n[CVE-2021-41338](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41338>)2.1Warning \n[CVE-2021-40450](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40450>)4.6Warning \n[CVE-2021-41347](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41347>)4.6Warning \n[CVE-2021-26441](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26441>)4.6Warning \n[CVE-2021-40454](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40454>)2.1Warning \n[CVE-2021-41361](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41361>)3.5Warning \n[CVE-2021-41334](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41334>)4.6Warning\n\n### *KB list*:\n[5006699](<http://support.microsoft.com/kb/5006699>) \n[5006672](<http://support.microsoft.com/kb/5006672>) \n[5006674](<http://support.microsoft.com/kb/5006674>) \n[5006670](<http://support.microsoft.com/kb/5006670>) \n[5006667](<http://support.microsoft.com/kb/5006667>) \n[5006669](<http://support.microsoft.com/kb/5006669>) \n[5006729](<http://support.microsoft.com/kb/5006729>) \n[5006671](<http://support.microsoft.com/kb/5006671>) \n[5006732](<http://support.microsoft.com/kb/5006732>) \n[5006675](<http://support.microsoft.com/kb/5006675>) \n[5006714](<http://support.microsoft.com/kb/5006714>) \n[5006739](<http://support.microsoft.com/kb/5006739>)\n\n### *Microsoft official advisories*:", "cvss3": {"exploitabilityScore": 2.3, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.0, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 6.0}, "published": "2021-10-12T00:00:00", "type": "kaspersky", "title": "KLA12310 Multiple vulnerabilities in Microsoft Windows", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-26441", "CVE-2021-26442", "CVE-2021-36953", "CVE-2021-36970", "CVE-2021-38662", "CVE-2021-38663", "CVE-2021-38672", "CVE-2021-40443", "CVE-2021-40449", "CVE-2021-40450", "CVE-2021-40454", "CVE-2021-40455", "CVE-2021-40456", "CVE-2021-40460", "CVE-2021-40461", "CVE-2021-40462", "CVE-2021-40463", "CVE-2021-40464", "CVE-2021-40465", "CVE-2021-40466", "CVE-2021-40467", "CVE-2021-40468", "CVE-2021-40469", "CVE-2021-40470", "CVE-2021-40475", "CVE-2021-40476", "CVE-2021-40477", "CVE-2021-40478", "CVE-2021-40488", "CVE-2021-40489", "CVE-2021-41330", "CVE-2021-41331", "CVE-2021-41332", "CVE-2021-41334", "CVE-2021-41335", "CVE-2021-41336", "CVE-2021-41337", "CVE-2021-41338", "CVE-2021-41339", "CVE-2021-41340", "CVE-2021-41342", "CVE-2021-41343", "CVE-2021-41345", "CVE-2021-41346", "CVE-2021-41347", "CVE-2021-41357", "CVE-2021-41361"], "modified": "2022-01-18T00:00:00", "id": "KLA12310", "href": "https://threats.kaspersky.com/en/vulnerability/KLA12310/", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "rapid7blog": [{"lastseen": "2021-10-20T09:06:39", "description": "\n\nToday\u2019s Patch Tuesday sees Microsoft [issuing fixes](<https://msrc.microsoft.com/update-guide/releaseNote/2021-Oct>) for over 70 CVEs, affecting the usual mix of their product lines. From Windows, Edge, and Office, to Exchange, SharePoint, and Dynamics, there is plenty of patching to do for workstation and server administrators alike.\n\nOne vulnerability has already been seen exploited in the wild: [CVE-2021-40449](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-40449>) is an elevation of privilege vulnerability in all supported versions of Windows, including the newly released Windows 11. Rated as Important, this is likely being used alongside Remote Code Execution (RCE) and/or social engineering attacks to gain more complete control of targeted systems.\n\nThree CVEs were publicly disclosed before today, though haven\u2019t yet been observed in active exploitation. [CVE-2021-40469](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-40469>) is an RCE vulnerability affecting Microsoft DNS servers, [CVE-2021-41335](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41335>) is another privilege escalation vulnerability in the Windows Kernel, and [CVE-2021-41338](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41338>) is a flaw in Windows AppContainer allowing attackers to bypass firewall rules.\n\nAttackers will likely be paying attention to the latest Windows Print Spooler vulnerability \u2013 [CVE-2021-36970](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-36970>) is a Spoofing vulnerability with a CVSSv3 score of 8.8 that we don\u2019t yet have much more information about. Also worth noting is [CVE-2021-40486](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-40486>), an RCE affecting Microsoft Word, OWA, as well as SharePoint Server, which can be exploited via the Preview Pane. [CVE-2021-40487](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-40487>) is another RCE affecting SharePoint Server that Microsoft expects to be exploited before too long.\n\nAnother notable vulnerability is [CVE-2021-26427](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-26427>), the latest in Exchange Server RCEs. The severity is mitigated by the fact that attacks are limited to a \u201clogically adjacent topology,\u201d meaning that it cannot be exploited directly over the public Internet. Three other vulnerabilities related to Exchange Server were also patched: [CVE-2021-41350](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41350>), a Spoofing vulnerability; [CVE-2021-41348](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-41348>), allowing elevation of privilege; and [CVE-2021-34453](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-34453>), which is a Denial of Service vulnerability.\n\nFinally, virtualization administrators should be aware of two RCEs affecting Windows Hyper-V: [CVE-2021-40461](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-40461>) and [CVE-2021-38672](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-38672>). Both affect relatively new versions of Windows and are considered Critical, allowing a VM to escape from guest to host by triggering a memory allocation error, allowing it to read kernel memory in the host.\n\n## Summary Charts\n\n\n\n## Summary Tables\n\n### Apps Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-41363](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41363>) | Intune Management Extension Security Feature Bypass Vulnerability | No | No | 4.2 | Yes \n \n### Browser Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-37980](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37980>) | Chromium: CVE-2021-37980 Inappropriate implementation in Sandbox | No | No | N/A | Yes \n[CVE-2021-37979](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37979>) | Chromium: CVE-2021-37979 Heap buffer overflow in WebRTC | No | No | N/A | Yes \n[CVE-2021-37978](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37978>) | Chromium: CVE-2021-37978 Heap buffer overflow in Blink | No | No | N/A | Yes \n[CVE-2021-37977](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37977>) | Chromium: CVE-2021-37977 Use after free in Garbage Collection | No | No | N/A | Yes \n[CVE-2021-37976](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37976>) | Chromium: CVE-2021-37976 Information leak in core | No | No | N/A | Yes \n[CVE-2021-37975](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37975>) | Chromium: CVE-2021-37975 Use after free in V8 | No | No | N/A | Yes \n[CVE-2021-37974](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37974>) | Chromium: CVE-2021-37974 Use after free in Safe Browsing | No | No | N/A | Yes \n \n### Developer Tools Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-3450](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3450>) | OpenSSL: CVE-2021-3450 CA certificate check bypass with X509_V_FLAG_X509_STRICT | No | No | N/A | Yes \n[CVE-2021-3449](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3449>) | OpenSSL: CVE-2021-3449 NULL pointer deref in signature_algorithms processing | No | No | N/A | Yes \n[CVE-2020-1971](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1971>) | OpenSSL: CVE-2020-1971 EDIPARTYNAME NULL pointer de-reference | No | No | N/A | Yes \n[CVE-2021-41355](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355>) | .NET Core and Visual Studio Information Disclosure Vulnerability | No | No | 5.7 | Yes \n \n### ESU Windows Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-38663](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38663>) | Windows exFAT File System Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-40465](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40465>) | Windows Text Shaping Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-36953](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36953>) | Windows TCP/IP Denial of Service Vulnerability | No | No | 7.5 | No \n[CVE-2021-40460](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40460>) | Windows Remote Procedure Call Runtime Security Feature Bypass Vulnerability | No | No | 6.5 | Yes \n[CVE-2021-36970](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36970>) | Windows Print Spooler Spoofing Vulnerability | No | No | 8.8 | No \n[CVE-2021-41332](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41332>) | Windows Print Spooler Information Disclosure Vulnerability | No | No | 6.5 | Yes \n[CVE-2021-41331](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41331>) | Windows Media Audio Decoder Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-41342](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41342>) | Windows MSHTML Platform Remote Code Execution Vulnerability | No | No | 6.8 | Yes \n[CVE-2021-41335](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41335>) | Windows Kernel Elevation of Privilege Vulnerability | No | Yes | 7.8 | No \n[CVE-2021-40455](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40455>) | Windows Installer Spoofing Vulnerability | No | No | 5.5 | No \n[CVE-2021-26442](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26442>) | Windows HTTP.sys Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-41340](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41340>) | Windows Graphics Component Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-38662](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38662>) | Windows Fast FAT File System Driver Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-41343](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41343>) | Windows Fast FAT File System Driver Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-40469](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40469>) | Windows DNS Server Remote Code Execution Vulnerability | No | Yes | 7.2 | Yes \n[CVE-2021-40443](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40443>) | Windows Common Log File System Driver Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-40466](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40466>) | Windows Common Log File System Driver Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-40467](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40467>) | Windows Common Log File System Driver Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-40449](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40449>) | Win32k Elevation of Privilege Vulnerability | Yes | No | 7.8 | No \n[CVE-2021-40489](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40489>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | Yes \n \n### Exchange Server Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-41350](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41350>) | Microsoft Exchange Server Spoofing Vulnerability | No | No | 6.5 | No \n[CVE-2021-26427](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427>) | Microsoft Exchange Server Remote Code Execution Vulnerability | No | No | 9 | Yes \n[CVE-2021-41348](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41348>) | Microsoft Exchange Server Elevation of Privilege Vulnerability | No | No | 8 | No \n[CVE-2021-34453](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34453>) | Microsoft Exchange Server Denial of Service Vulnerability | No | No | 7.5 | No \n \n### Microsoft Dynamics Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-40457](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40457>) | Microsoft Dynamics 365 Customer Engagement Cross-Site Scripting Vulnerability | No | No | 7.4 | Yes \n[CVE-2021-41353](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41353>) | Microsoft Dynamics 365 (on-premises) Spoofing Vulnerability | No | No | 5.4 | No \n[CVE-2021-41354](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41354>) | Microsoft Dynamics 365 (on-premises) Cross-site Scripting Vulnerability | No | No | 4.1 | No \n \n### Microsoft Office Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-40486](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40486>) | Microsoft Word Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40484](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40484>) | Microsoft SharePoint Server Spoofing Vulnerability | No | No | 7.6 | No \n[CVE-2021-40483](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40483>) | Microsoft SharePoint Server Spoofing Vulnerability | No | No | 7.6 | No \n[CVE-2021-41344](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41344>) | Microsoft SharePoint Server Remote Code Execution Vulnerability | No | No | 8.1 | No \n[CVE-2021-40487](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40487>) | Microsoft SharePoint Server Remote Code Execution Vulnerability | No | No | 8.1 | Yes \n[CVE-2021-40482](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40482>) | Microsoft SharePoint Server Information Disclosure Vulnerability | No | No | 5.3 | Yes \n[CVE-2021-40480](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40480>) | Microsoft Office Visio Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40481](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40481>) | Microsoft Office Visio Remote Code Execution Vulnerability | No | No | 7.1 | Yes \n[CVE-2021-40471](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40471>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40473](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40473>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40474](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40474>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40479](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40479>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40485](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40485>) | Microsoft Excel Remote Code Execution Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-40472](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40472>) | Microsoft Excel Information Disclosure Vulnerability | No | No | 5.5 | Yes \n \n### Microsoft Office Windows Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-40454](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40454>) | Rich Text Edit Control Information Disclosure Vulnerability | No | No | 5.5 | Yes \n \n### System Center Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-41352](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41352>) | SCOM Information Disclosure Vulnerability | No | No | 7.5 | Yes \n \n### Windows Vulnerabilities\n\nCVE | Title | Exploited | Publicly Disclosed? | CVSSv3 Base Score | has FAQ? \n---|---|---|---|---|--- \n[CVE-2021-40464](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40464>) | Windows Nearby Sharing Elevation of Privilege Vulnerability | No | No | 8 | No \n[CVE-2021-40463](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40463>) | Windows NAT Denial of Service Vulnerability | No | No | 7.7 | No \n[CVE-2021-40462](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40462>) | Windows Media Foundation Dolby Digital Atmos Decoders Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-41336](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41336>) | Windows Kernel Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-38672](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38672>) | Windows Hyper-V Remote Code Execution Vulnerability | No | No | 8 | Yes \n[CVE-2021-40461](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40461>) | Windows Hyper-V Remote Code Execution Vulnerability | No | No | 8 | No \n[CVE-2021-40477](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40477>) | Windows Event Tracing Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-41334](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41334>) | Windows Desktop Bridge Elevation of Privilege Vulnerability | No | No | 7 | No \n[CVE-2021-40475](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40475>) | Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-40468](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40468>) | Windows Bind Filter Driver Information Disclosure Vulnerability | No | No | 5.5 | Yes \n[CVE-2021-41347](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41347>) | Windows AppX Deployment Service Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-41338](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41338>) | Windows AppContainer Firewall Rules Security Feature Bypass Vulnerability | No | Yes | 5.5 | No \n[CVE-2021-40476](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40476>) | Windows AppContainer Elevation Of Privilege Vulnerability | No | No | 7.5 | No \n[CVE-2021-40456](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40456>) | Windows AD FS Security Feature Bypass Vulnerability | No | No | 5.3 | Yes \n[CVE-2021-40450](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40450>) | Win32k Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-41357](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41357>) | Win32k Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-40478](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40478>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-40488](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40488>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-26441](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26441>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | Yes \n[CVE-2021-41345](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41345>) | Storage Spaces Controller Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-41330](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41330>) | Microsoft Windows Media Foundation Remote Code Execution Vulnerability | No | No | 7.8 | No \n[CVE-2021-41339](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41339>) | Microsoft DWM Core Library Elevation of Privilege Vulnerability | No | No | 4.7 | No \n[CVE-2021-40470](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40470>) | DirectX Graphics Kernel Elevation of Privilege Vulnerability | No | No | 7.8 | No \n[CVE-2021-41346](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41346>) | Console Window Host Security Feature Bypass Vulnerability | No | No | 5.3 | No \n[CVE-2021-41337](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41337>) | Active Directory Security Feature Bypass Vulnerability | No | No | 4.9 | Yes \n[CVE-2021-41361](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41361>) | Active Directory Federation Server Spoofing Vulnerability | No | No | 5.4 | Yes", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.4, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.2}, "published": "2021-10-12T19:47:16", "type": "rapid7blog", "title": "Patch Tuesday - October 2021", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-1971", "CVE-2021-26427", "CVE-2021-26441", "CVE-2021-26442", "CVE-2021-34453", "CVE-2021-3449", "CVE-2021-3450", "CVE-2021-36953", "CVE-2021-36970", "CVE-2021-37974", "CVE-2021-37975", "CVE-2021-37976", "CVE-2021-37977", "CVE-2021-37978", "CVE-2021-37979", "CVE-2021-37980", "CVE-2021-38662", "CVE-2021-38663", "CVE-2021-38672", "CVE-2021-40443", "CVE-2021-40449", "CVE-2021-40450", "CVE-2021-40454", "CVE-2021-40455", "CVE-2021-40456", "CVE-2021-40457", "CVE-2021-40460", "CVE-2021-40461", "CVE-2021-40462", "CVE-2021-40463", "CVE-2021-40464", "CVE-2021-40465", "CVE-2021-40466", "CVE-2021-40467", "CVE-2021-40468", "CVE-2021-40469", "CVE-2021-40470", "CVE-2021-40471", "CVE-2021-40472", "CVE-2021-40473", "CVE-2021-40474", "CVE-2021-40475", "CVE-2021-40476", "CVE-2021-40477", "CVE-2021-40478", "CVE-2021-40479", "CVE-2021-40480", "CVE-2021-40481", "CVE-2021-40482", "CVE-2021-40483", "CVE-2021-40484", "CVE-2021-40485", "CVE-2021-40486", "CVE-2021-40487", "CVE-2021-40488", "CVE-2021-40489", "CVE-2021-41330", "CVE-2021-41331", "CVE-2021-41332", "CVE-2021-41334", "CVE-2021-41335", "CVE-2021-41336", "CVE-2021-41337", "CVE-2021-41338", "CVE-2021-41339", "CVE-2021-41340", "CVE-2021-41342", "CVE-2021-41343", "CVE-2021-41344", "CVE-2021-41345", "CVE-2021-41346", "CVE-2021-41347", "CVE-2021-41348", "CVE-2021-41350", "CVE-2021-41352", "CVE-2021-41353", "CVE-2021-41354", "CVE-2021-41355", "CVE-2021-41357", "CVE-2021-41361", "CVE-2021-41363"], "modified": "2021-10-12T19:47:16", "id": "RAPID7BLOG:73EAE8A2825E9B6764F314122B4E5F25", "href": "https://blog.rapid7.com/2021/10/12/patch-tuesday-october-2021/", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}]}
