KB5013943 Security Update Windows 11 22000.675

KB5013943 Security Update Windows 11 22000.675
KB5013943 Security Update Windows 11 22000.675

Microsoft released a new security update with the number KB5013943 to the public today. The new update brings nothing new except a few security fixes to your system. Your build number will be upped to 22000.675 after installation.

Fixed in KB5013943 for Windows 11
  • This security update includes improvements that were a part of update KB5012643 (released April 25, 2022) and also addresses the following issues:
  • Addresses a known issue that might cause issues for some .NET Framework 3.5 apps or prevent those apps from opening. The affected apps use certain optional components in .NET Framework 3.5, such as Windows Communication Foundation (WCF) and Windows Workflow (WWF) components.
  • Addresses a known issue that might cause your screen to flicker if you start your device in Safe Mode. Components that rely on explorer.exe, such as File Explorer, the Start menu, and the taskbar, might be affected and appear unstable.

It seems some users still experience issues opening up certain apps after installing the new update. For example, opening up PowerShell and so on. If you experience any problems yourself, take a look at this post from Microsoft, on how you can possibly resolve this issue.



After installing updates released May 10, 2022 on your domain controllers, you might see authentication failures on the server or client for services such as Network Policy Server (NPS)Routing and Remote access Service (RRAS)RadiusExtensible Authentication Protocol (EAP), and Protected Extensible Authentication Protocol (PEAP).


An issue has been found related to how the mapping of certificates to machine accounts is being handled by the domain controller.


Note: Installation of updates released May 10, 2022, on client Windows devices and non-domain controller Windows Servers will not cause this issue. This issue only affects installation of May 10, 2022, updates installed on servers used as domain controllers.


Microsoft is presently investigating and will provide an update in an upcoming release.


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Download: Security-Fix