May 10, 2022—KB5013943 (OS Build 22000.675)
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Highlights
- Addresses security issues for your Windows operating system.
Improvements
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 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.
If you installed earlier updates, only the new updates contained in this package will be downloaded and installed on your device.
For more information about security vulnerabilities, please refer to the
Security Update Guide website and the
May 2022 Security Updates.
Windows 11 servicing stack update - 22000.652
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
Known issues in this update
| Applies to | Symptom | Workaround |
|---|
| IT admins | After installing the Windows updates released January 11, 2022 or later Windows versions on an affected version of Windows, recovery discs (CD or DVD) created by using the Backup and Restore (Windows 7) app in Control Panel might be unable to start.
Recovery discs that were created by using the Backup and Restore (Windows 7) app on devices which have installed Windows updates released before January 11, 2022 are not affected by this issue and should start as expected.
Note No third-party backup or recovery apps are currently known to be affected by this issue | We are working on a resolution and will provide an update in an upcoming release. |
| IT admins | After installing this update, some .NET Framework 3.5 apps might have issues or might fail to open. Affected apps are using certain optional components in .NET Framework 3.5, such as Windows Communication Foundation (WCF) and Windows Workflow (WWF) components. | You can mitigate this issue by re-enabling .NET Framework 3.5 and the Windows Communication Foundation in Windows Features. For instructions, please see Enable the .NET Framework 3.5 in Control Panel. Advanced users or IT admins can do this programmatically using an elevated Command Prompt (run as administrator) and running the following commands:
dism /online /enable-feature /featurename:netfx3 /all
dism /online /enable-feature /featurename:WCF-HTTP-Activation
dism /online /enable-feature /featurename:WCF-NonHTTP-Activation |
| All users | After installing this update, Windows devices that use certain GPUs might cause apps to close unexpectedly or cause intermittent issues that affect some apps that use Direct3D 9. You might also receive an error in Event Log in Windows Logs/Applications, and the faulting module is d3d9on12.dll and the exception code is 0xc0000094. | This issue is resolved using Known Issue Rollback (KIR). Please note that it might take up to 24 hours for the resolution to propagate automatically to consumer devices and non-managed business devices. Restarting your Windows device might help the resolution apply to your device faster. For enterprise-managed, devices that have installed an affected update and encountered this issue can resolve it by installing and configuring the special Group Policy listed below. For information on deploying and configuring these special Group Policies, see How to use Group Policy to deploy a Known Issue Rollback.
Group Policy download with Group Policy name:
Important You must install and configure the Group Policy to resolve this issue. Please see, How to use Group Policy to deploy a Known Issue Rollback. |
| IT admins | After installing updates released May 10, 2022 on domain controllers, you might see authentication failures on the server or client for some services. These services include Network Policy Server (NPS), Routing and Remote access Service (RRAS), Radius, Extensible Authentication Protocol (EAP), and Protected Extensible Authentication Protocol (PEAP). An issue has been found related to how the domain controller manages the mapping of certificates to machine accounts.
Note Installation of the May 10, 2022 updates on client Windows devices and non-domain controller Windows Servers will not cause this issue. This issue only affects servers that are used as domain controllers. | The preferred mitigation for this issue is to manually map certificates to a machine account in Active Directory. For instructions, see Certificate mapping.
Note The instructions are the same for mapping certificates to user or machine accounts in Active Directory. If the preferred mitigation will not work in your environment, see KB5014754—Certificate-based authentication changes on Windows domain controllers for other possible mitigations in the "SChannel registry key" section.
Note Any other mitigation except the preferred mitigations might lower or disable security hardening. |
How to get this update
Before installing this update
Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see
Servicing stack updates and
Servicing Stack Updates (SSU): Frequently Asked Questions.
Install this update
| Release Channel | Available | Next Step |
| Windows Update and Microsoft Update | Yes | None. This update will be downloaded and installed automatically from Windows Update. |
| Windows Update for Business | Yes | None. This update will be downloaded and installed automatically from Windows Update in accordance with configured policies. |
| Microsoft Update Catalog | Yes | To get the standalone package for this update, go to the Microsoft Update Catalog website. |
| Windows Server Update Services (WSUS) | Yes | This update will automatically sync with WSUS if you configure Products and Classifications as follows:
Product: Windows 11
Classification: Security Updates |
If you want to remove the LCU
To remove the LCU after installing the combined SSU and LCU package, use the
DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command:
DISM /online /get-packages.
Running
Windows Update Standalone Installer (
wusa.exe) with the
/uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.
File information
For a list of the files that are provided in this update, download the
file information for cumulative update 5013943.
For a list of the files that are provided in the servicing stack update, download the
file information for the SSU - version 22000.652.
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