March 12, 2024—KB5035853 (OS Builds 22621.3296 and 22631.3296) - Microsoft Support

The March 2024 security update is now available for Windows 11.

Windows 11 release notes:

• Version 22H2 & 23H2 (KB5035853): https://support.microsoft.com/help/5035853
• Version 21H2 (KB5035854): https://support.microsoft.com/help/5035854

Highlights for Windows 11, version 22H2:

• Addresses a known issue that might affect the February 2024 security and preview updates to fail to install with error code "0x800F0922.”

Highlights for Windows 11, version 21H2:

• Addresses an issue that makes the troubleshooting process fail. This occurs when using the Get Help app.
• Addresses an issue affecting Remote Desktop Web Authentication. You might not be able to connect to sovereign cloud endpoints.