Microsoft has published the November 2020 security updates.

Security Update Guide - Microsoft Security Response Center

The November security release consists of security updates for the following software:

• Microsoft Windows
• Microsoft Office and Microsoft Office Services and Web Apps
• Internet Explorer
• Microsoft Edge (EdgeHTML-based)
• Microsoft Edge (Chromium-based)
• ChakraCore
• Microsoft Exchange Server
• Microsoft Dynamics
• Microsoft Windows Codecs Library
• Azure Sphere
• Windows Defender
• Microsoft Teams
• Azure SDK
• Azure DevOps
• Visual Studio

Please note the following information regarding the security updates:

• See our blog detailing the benfits of the new Security Update Guide layout  here.
• Microsoft is improving Windows Release Notes. For more information, please see  What's next for Windows release notes.
• For information regarding enabling Windows 10, version 2004 features, please see Windows 10, version 20H2 delivery options. Note that Windows 10, versions 2004 and 20H2 share a common core operating system with an identical set of system files. They will also share the same security update KBs.
• For information regarding enabling Windows 10, version 1909 features, please see Windows 10, version 1909 delivery options. Note that Windows 10, versions 1903 and 1909 share a common core operating system with an identical set of system files. They will also share the same security update KBs.
• Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the  Microsoft Update Catalog.
• For information on lifecycle and support dates for Windows 10 operating systems, please see  Windows Lifecycle Facts Sheet.
• A list of the latest servicing stack updates for each operating system can be found in  ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
• Updates for Windows RT 8.1 and Microsoft Office RT software are only available via  Windows Update.
• In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
• Customers running Windows 7, Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See  4522133 for more information.

The following CVEs have FAQs with additional information and may include * further steps to take after installing the updates. Please note that this is not a complete list of CVEs for this release.

• CVE-2020-16970 *
• CVE-2020-16979
• CVE-2020-16981 *
• CVE-2020-16982 *
• CVE-2020-16983 *
• CVE-2020-16984 *
• CVE-2020-16985 *
• CVE-2020-16986 *
• CVE-2020-16987 *
• CVE-2020-16988 *
• CVE-2020-16989 *
• CVE-2020-16990 *
• CVE-2020-16991
• CVE-2020-16992
• CVE-2020-16993
• CVE-2020-16994
• CVE-2020-16997
• CVE-2020-16999
• CVE-2020-17000
• CVE-2020-17004
• CVE-2020-17013
• CVE-2020-17017
• CVE-2020-17019
• CVE-2020-17020
• CVE-2020-17029
• CVE-2020-17030
• CVE-2020-17036
• CVE-2020-17045
• CVE-2020-17049 *
• CVE-2020-17056
• CVE-2020-17062
• CVE-2020-17063
• CVE-2020-17064
• CVE-2020-17065
• CVE-2020-17066
• CVE-2020-17067
• CVE-2020-17069
• CVE-2020-17071
• CVE-2020-17078 *
• CVE-2020-17079 *
• CVE-2020-17081 *
• CVE-2020-17082 *
• CVE-2020-17086 *
• CVE-2020-17101 *
• CVE-2020-17102 *
• CVE-2020-17105 *
• CVE-2020-17106 *
• CVE-2020-17107 *
• CVE-2020-17108 *
• CVE-2020-17109 *
• CVE-2020-17110 *
• CVE-2020-17113

Known Issues

The following KBs contain information about known issues with the security updates. For a complete list of security update KBs, please see  20201110. For more information about Windows Known Issues, please see  Windows message center (links to currently-supported versions of Windows are in the left pane).

KB Article	Applies To
4486714	SharePoint Server 2019
4486717	SharePoint Server 2016
4586781	Windows 10, version 2004, Windows Server version 2004, Windows 10, version 20H2, Windows Server version 20H2
4586786	Windows 10, version 1903, Windows Server version 1903, Windows 10, version 1909, Windows Server version 1909
4586793	Windows 10 Version 1809, Windows Server 2019
4586805	Windows 7, Windows Server 2008 R2 (Security-only update)
4586807	Windows Server 2008 (Monthly Rollup)
4586808	Windows Server 2012 (Security-only update)
4586817	Windows Server 2008 (Security-only update)
4586823	Windows 8.1, Windows Server 2012 R2 (Security-only update)
4586827	Windows 7, Windows Server 2008 R2 (Monthly Rollup)
4586830	Windows 10, version 1607, Windows Server 2016
4586834	Windows Server 2012 (Monthly Rollup)
4586845	Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)
4486714	SharePoint Server 2019
4486717	SharePoint Server 2016
4588741	Microsoft Exchange Server 2013, Microsoft Exchange Server 2016, Microsoft Exchange Server 2019

Security Update Guide - Microsoft Security Response Center