| EXPIRATION NOTICE IMPORTANT As of January 27, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. |
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Note
12/8/20
For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1507, see its update history page.
Highlights
- This update addresses security issues for your Windows operating system.
Improvements
This security update includes quality improvements. When you install this KB:
- This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.
For more information about security vulnerabilities, please refer to the new Security Update Guide website and the March 2024 Security Updates.
Known issues in this update
Microsoft is not currently aware of any issues with this update.
How to get this update
EXPIRATION NOTICE
IMPORTANT As of January 27, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows.