Microsoft has released the Windows 10 KB5017308 and KB5017315 cumulative updates for versions 21H2, version 21H1, version 20H2, and 1809 to fix security vulnerabilities and resolves twenty bugs and performance issues.
This update is not available for Windows 10 1909 or Windows 10 2004.
This Windows 10 cumulative update is mandatory and will automatically be installed by Windows Update during your servicing window. However, Windows users can manually install the updates by going to Settings, clicking on Windows Update, and selecting ‘Check for Updates.
All of the Windows 10 updates released as part of today’s Patch Tuesday updates are listed below:
For a list of vulnerabilities fixed today, you can read our dedicated September 2022 Patch Tuersday security article.
What’s new in Windows 10 KB5017308
After installing this update, Windows 10 20H2 will be updated to build 19042.1826, Windows 10 21H1 will be updated to build 19043.1826, and Windows 10 21H2 will be updated to build 19044.1826.
The official release notes, “This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release”.
However, based on the preview update released in August, the KB5017308 cumulative update includes fixes for 22 bugs and two new features.
The new features are the ability for IT admins to remotely manage language-related features on a Windows 10 device and increased protection from ransomware and advanced attacks in Microsoft Defender.
Some of the notable bugs fixed with this cumulative update include a fix for an issue causing game installations to fail because of a licensing issue.
It also fixed an issue that affects the icon colors of the list in the Search app and ‘0x1E’ errors when attempting to shut down or restart Windows.
Another interesting bug that was fixed is an issue that caused performance issues when BitLocker was enabled.
A full list of bugs fixed in the KB5017308 update can be found in the KB5016688 preview update, released on August 26th.