Microsoft December 2019 Security Updates


Release Notes
Release Notes
December 2019 Security Updates
Release Date: December 10, 2019

The December security release consists of security updates for the following software:
  • Microsoft Windows
  • Internet Explorer
  • Microsoft Office and Microsoft Office Services and Web Apps
  • SQL Server
  • Visual Studio
  • Skype for Business
Please note the following information regarding the security updates:
  • 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.
  • Starting in May 2019, Internet Explorer 11 is available on Windows Server 2012. This configuration is present only in the IE Cumulative package.
  • 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.
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 more information about Windows Known Issues, please see Windows message center. Links to currently-supported versions of Windows 10 are in the left pane.
For a complete list of security update KBs, please see 20191210.
KB Article Applies To 4484190Excel 20134484179Excel 20164461590PowerPoint 20134484190PowerPoint 20164484190Word 20134484190Word 20164530681Windows 104530684Windows 10, version 1803, Windows Server version 1803, Windows 10, version 1809, Windows Server version 18094530689Windows 10, version 1607, Windows Server 20164530691Windows Server 2012 (Monthly Rollup)4530698Windows Server 2012 (Security-only update)4530702Windows 8.1, Windows Server 2012 R2 (Monthly Rollup)4530714Windows 10, version 17094530715Windows 10, version 1809, Windows Server 20194530717Windows 10, version 1803, Windows Server version 18034530730Windows 8.1, Windows Server 2012 R2 (Security-only update)4530734Windows 7 SP1, Windows Server 2008 R2 SP1 (Monthly Rollup)


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