KB5037771 for Windows 11 22H2 and 23H2

KB50377771 is a cumulative update released for Windows 11 versions 22H2 and 23H2. It was released on 14 May 2024 under the ‘Patch Tuesday’ project.

  • KB5037771 supersedes KB5036893. It also includes all the changes of the preview update KB5036980 released on 23 April 2024.
  • KB5037771 corresponds to 22621.3593 for Windows 11 22H2. The build 22631.3593 is for Windows 11 23H2.
  • Servicing Stack Update 22621.3522 is for Windows 11 22H2 and included in KB5037771.
  • Servicing Stack Update 22631.3522 is for Windows 11 23H2 and included in KB5037771.
  • KB5037771 is available for x64 and ARM64 system deployments.
  • 40 vulnerabilities affect Windows 11 22H2 x64 and ARM64 systems.
  • On a similar note, 40 security vulnerabilities affect Windows 11 23H2 x64 and ARM64 systems.

You can roll out KB5037771 automatically using one of the following methods:

  • Windows Update
  • WSUS
  • Windows Update for Business

For manual deployments, you would need to download the offline installer files.

For manual installation of KB5037771, you can download the offline installer file from the Microsoft Update Catalog site. Or, you could use the direct download links shared below.

Upon installation of KB5037771, the Windows 11 endpoint will reboot.

There are 40 security vulnerabilities that affect Windows 11 22H2 and 23H2 editions. None of these vulnerabilities have a CRITICAL vulnerability. The following are the impacts of the security vulnerabilities reported in May 2024 security bulletin:

  • Remote Code Execution – 21 security vulnerabilities
  • Elevation of Privileges – 13 security vulnerabilities
  • Information Disclosure – 4 security vulnerabilities
  • Security Feature Bypass – 2 security vulnerabilities

A new issue has been reported after installing KB5037771.

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 StartSettings> Accounts > Your info, and then selecting Choose a file, you might receive an error message with error code 0x80070520.

  • 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.

The following changes are part of the KB5037771 cumulative update for Windows 11 22H2 and 23H2:

  • 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.
Rajesh Dhawan

Rajesh Dhawan is a technology professional who loves to blog about smart wearables, Cloud computing and Microsoft technologies. He loves to break complex problems into manageable chunks of meaningful information.