Microsoft has released the June 2024 patch updates for Windows 11 23H2, 22H2, and 21H2. The update for versions 23H2 and 22H2 is delivered via KB5039212 while the 21H2 update is KB5039213. You will be on build versions 22621.3737, 22631.3737 and 22000.3019 respectively after applying the update.

Windows 11 23H2 and 22H2

highlights

This update addresses a known issue affecting the taskbar. It may crash briefly or become unresponsive. It may also disappear and reappear.

improvements

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.

Windows 11, version 22H2

This security update includes improvements that were part of update KB5037853 (released on May 28, 2024). When you install this KB:

• This update addresses an issue affecting lsass.exe. It stops responding. This occurs after the April 2024 security updates are installed on Windows servers.
• This update addresses an issue that may prevent your system from resuming from sleep. This occurs after enabling BitLocker.
• This update addresses an issue affecting lsass.exe. It’s leaking memory. This occurs during a Local Security Authority (Domain Policy) Remote Protocol (LSARPC) call.
• If you have installed previous updates, only the new updates included in this package will be downloaded and installed on your device.

Known issues in this update

Microsoft is not currently aware of any issues with this update.

Windows 11 21H2

highlights

• This update addresses security issues for your Windows operating system.

improvements

This security update includes improvements. When you install this KB:

• New! This update affects Server Message Blocking (SMB) over UDP Quick Internet Connections (QUIC). This enables the SMB over QUIC client certificate authentication feature. Administrators can use it to restrict which clients can access SMB through QUIC servers. For more information, see SMB Setup on QUIC Client Access Control on Windows Server.
• This update affects the version of curl.exe found on Windows. The version number is now 8.7.1.
• This update addresses an issue affecting lsass.exe. It stops responding. This occurs after the April 2024 security updates are installed on Windows servers.
• This update addresses an issue that affects a computer that hosts a Remote Desktop session. You get an RDR_FILE_SYSTEM stop error (0x27). Because of this, all users are disconnected from the machine.
• This update addresses an issue affecting the Microsoft Entra ID account. Devices cannot verify each other. This occurs after installing the Windows Update dated November 13, 2023.
• This update addresses an issue affecting storage direct (S2D) and remote direct memory access (RDMA). When you use them with SMBdirect on your networks, the networks fail. You also lose the ability to manage clusters.
• This update addresses an issue affecting containers. They do not pass the “Creating Container” status.
• This update updates the Country Assets and Operator Settings (COSA) profiles for certain mobile operators.
• This update addresses an issue that may prevent your system from resuming from sleep. This occurs after enabling BitLocker.
• This update addresses an issue that affects Windows Defender Application Control (WDAC). The problem copies an unsigned WDAC policy to the Extensible Firmware Interface (EFI) disk partition. This is reserved for signed policy.
• This update addresses an issue affecting improved fast reconnect. It failed. This occurs when you use it with third-party Remote Desktop Protocol (RDP) providers.
• This update addresses an issue affecting dsamain.exe. It stops responding. This occurs when the Knowledge Consistency Checker (KCC) runs assessments.
• This update addresses an issue affecting lsass.exe. It’s leaking memory. This occurs during a Local Security Authority (Domain Policy) Remote Protocol (LSARPC) call.
• This update addresses an issue affecting Cloud File. Windows deletes it, even though the cloud provider canceled the deletion request.

Known update issues

Applies to	symptom	workaround
All users	After you install this update, you may not be able to change your user account profile picture. When trying to change a profile picture by selecting the button Start > Settings > Accounts > Your Infoand then selecting the Choose File option, you may receive an error message with the error code 0x80070520.	We are working on a solution and will provide an update in the next release.

These updates will be available from Windows Update and should install automatically in most cases. If you want to download these updates for offline installation, you can get them from the Microsoft Catalog website. You can find the updates for 23H2 and 22H2 Here And the update for 21H2 Here.