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Microsoft has published the security updates for November 2019 with security updates for Microsoft Exchange Server, Windows 10, Windows 8.1, Windows Server 2016, and Windows Server 2019.




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

  • Microsoft Windows
  • Internet Explorer
  • Microsoft Edge (EdgeHTML-based)
  • ChakraCore
  • Microsoft Office and Microsoft Office Services and Web Apps
  • Open Source Software
  • Secure Boot
  • Microsoft Exchange Server
  • Visual Studio
  • Azure Stack

Please note the following information regarding the security updates:

  • 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.
  • 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.
  • Updates for Windows RT 8.1 and Microsoft Office RT software are only available via Windows Update.
  • For information on lifecycle and support dates for Windows 10 operating systems, please see Windows Lifecycle Facts Sheet.
  • In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
  • Starting in May 2019, Internet Explorer 11 is available on Windows Server 2012. This configuration is present only in the IE Cumulative package.

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.

Known Issues

The following KBs contain information about known issues with the security updates. For a complete list of security update KBs, please see 20191112

Win10desk

KB Article / Applies To

4484113 Microsoft Exchange Server
4523171 Microsoft Exchange Server
4523205 Windows 10, version 1809, Windows Server 2019
4524570 Windows 10, version 1903, Windows Server version 1903
4525232 Windows 10
4525236 Windows 10, version 1607, Windows Server 2016
4525237 Windows 10, version 1803, Windows Server version 1803
4525241 Windows 10, version 1709
4525243 Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)
4525246 Windows Server 2012 (Monthly Rollup)
4525250 Windows 8.1, Windows Server 2012 R2 (Security-only update)
4525253 Windows Server 2012 (Security-only update)

  Microsoft November 2019 Security Updates