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Release Date:

5/14/2024

Version:

OS Builds 22621.3593 and 22631.3593

2/27/24
IMPORTANT: New dates for the end of non-security updates for Windows 11, version 22H2

The new end date is June 24, 2025 for Windows 11, version 22H2 Enterprise and Education editions. Home and Pro editions of version 22H2 will receive non-security preview updates until June, 26, 2024. 

After these dates, only cumulative monthly security updates will continue for the supported editions of Windows 11, version 22H2. The initial date communicated for this change was February 27, 2024. Based on user feedback, this date has been changed so more customers can take advantage of our continuous innovations

For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 11, version 23H2, see its update history page

Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.         

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Highlights

  • This update addresses a known issue that might cause your VPN connection to fail. This occurs after you install the update dated April 9, 2024, or later.

 Improvements

Note: To view the list of addressed issues, click or tap the OS name to expand the collapsible section.

Important: Use EKB KB5027397 to update to Windows 11, version 23H2.

This security update includes quality improvements. Key changes include: 

  • This build includes all the improvements in Windows 11, version 22H2.

  • No additional issues are documented for this release.

This security update includes improvements that were a part of update KB5036980 (released April 23, 2024). When you install this KB:  

  • This update addresses an issue that might affect domain controllers (DC). NTLM authentication traffic might increase.

  • This update addresses an issue that might affect Virtual Secure Mode (VSM) scenarios. They might fail. These scenarios include VPN, Windows Hello, Credential Guard, and Key Guard.

  • This update addresses an issue that affects Server Message Block (SMB) clients. They fail to make SMB Multichannel connections. Because of this, file transfers are slow. This issue occurs after you install KB5036980 (April 23, 2024). In the Windows Event Log, Event ID 30826 appears for Microsoft-Windows-SMBClient/Connectivity.

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 2024 Security Updates.

Windows 11 servicing stack update - 22621.3522 and 22631.3522

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

All users

After installing this update, you might be unable to change your user account profile picture.

When attempting to change a profile picture by selecting the button Start> Settings> Accounts > Your info, and then selecting Choose a file, you might receive an error message with error code 0x80070520.

We are working on a resolution and will provide an update in an upcoming release.

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 5037771

For a list of the files that are provided in the servicing stack update, download the file information for the SSU - versions 22621.3522 and 22631.3522.  

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