Security News > 2022 > January > Windows 10 KB5009596 update released with bug fixes, improvements
Microsoft has released the optional KB5009596 Preview cumulative update for Windows 10 20H2, Windows 10 21H1, and Windows 10 21H2. This update includes fixes for reboots on domain controllers, L2TP VPN connection issues, and 25 other fixes or improvements.
The KB5009596 cumulative update preview is part of Microsoft's January 2022 monthly "C" update, allowing admins to test upcoming fixes being released in the February 2022 Patch Tuesday.
Windows users can install this update by going into Settings, clicking on Windows Update, and manually performing a 'Check for Updates.
Windows 10 users can also manually download and install the KB5009596 preview update from the Microsoft Update Catalog.
After installing this update, Windows 10 20H2 will be updated to build 19042.
1503, Windows 10 21H1 will be updated to build 19043.
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