Windows 11 May Patch Tuesday (KB5013943) releases important security fixes
It's the second Tuesday of the month, which can only mean one thing, it's Patch Tuesday. This month's Windows 11 21H2 update is designated KB5013943, and it will bring your system to OS Build 22000.675. The Windows 11 servicing stack has also been updated to Build 22000.652.
Here are the related release notes for this April Patch Tuesday update (KB5013943):
Emphasis
- Resolve your Security issues with Windows operating systems.
Improvements
This security update includes improvements as part of update KB5012643 (released April 25, 2022) and also resolves the following issues:
- Resolves a known issue that may cause issues with some .NET Framework 3.5 apps or prevent them from opening. The affected apps use certain optional components in the .NET Framework 3.5, such as Windows Communication Foundation (WCF) and Windows Workflow (WWF) components.
- Resolves a known issue that may cause the screen to flicker when starting the device in safe mode. Components that rely on explorer.exe, such as File Explorer, Start menu, and taskbar, may be affected and appear unstable.
Known issues):
| Applies to | Symptoms | Solutions |
|---|---|---|
| IT Admins | Install the January 11, 2022 Windows Update or later on affected Windows versions After Windows, recovery discs (CDs or DVDs) created using the Backup and Restore (Windows 7) app in Control Panel may not boot. Recovery discs created using the Backup and Restore (Windows 7) app on devices with Windows updates released before January 11, 2022 are not affected by this issue and should boot as expected. NOTE No third-party backup or recovery applications are known to be affected by this issue |
We are working on a solution and will provide an update in an upcoming release. |
#A separate link to manually download updates is available on Microsoft Update Catalog here. You can find the official release notes for KB5013943 here.
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