Highlights
- Updates to improve security when using Microsoft Edge Legacy.
- Updates to improve security when using Microsoft Office products.
Improvements and fixes
Windows 10, version 20H2
This security update includes quality improvements. Key changes include:
- This build includes all the improvements from Windows 10, version 2004.
- No additional issues were documented for this release.
Windows 10, version 2004
Note This release also contains updates for Microsoft HoloLens (OS Build 19041.1131) released December 8, 2020. 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.
This security update includes quality improvements. Key changes include:
- Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to “FILE:” ports. To address this issue in the future, make sure your applications or services run as a specific user or service account.
- Security updates to Microsoft Edge Legacy, the Microsoft Graphics Component, Windows Media, Windows Fundamentals, and Windows Virtualization.
If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.