Windows 11 (KB5051987, KB5051989) February 2025 Patch Tuesday out

Microsoft has released Patch Tuesday updates for Windows 11 24H2, 23H2, and 22H2. The 24H2 update is provided via KB5051987, while the 23H2 and 22H2 updates are delivered via KB5051989. You will be on build versions 26100.3194, 22631.4890, and 22621.4890, respectively, after applying the update.

Here's what's new:

24H2

Highlights

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

Improvements

This security update includes improvements that were a part of update KB5050094 (released January 28, 2025). Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.

 

• This update makes miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.

   

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 February 2025 Security Updates.

Windows 11 servicing stack update (KB5052085)- 26100.3189

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. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.

Known issues in this update

Roblox

 

All users

 

We’re aware of an issue where players on Arm devices are unable to download and play Roblox from the Microsoft Store on Windows.

 

Players on Arm devices can play Roblox by downloading the title directly from www.Roblox.com.

 

Open Secure Shell service

 

All users

 

Following the installation of the October 2024 security update, some customers report that the OpenSSH (Open Secure Shell) service fails to start, preventing SSH connections. The service fails with no detailed logging, and manual intervention is required to run the sshd.exe process.

 

This issue is affecting both enterprise, IOT, and education customers, with a limited number of devices impacted. Microsoft is investigating whether consumer customers using Home or Pro editions of Windows are affected.

 

Customers can temporarily resolve the issue by updating permissions (ACLs) on the affected directories. Follow these steps:

 

1. Open PowerShell as an Administrator.

    

2. Update the permissions for C:\ProgramData\ssh and C:\ProgramData\ssh\logs to allow full control for SYSTEM and the Administrators group, while allowing read access for Authenticated Users. You can restrict read access to specific users or groups by modifying the permissions string if needed.

    

   Use the following commands to update the permissions:

    

   $directoryPath = "C:\ProgramData\ssh" $acl = Get-Acl -Path $directoryPath $sddlString = "O:BAD:PAI(A;OICI;FA;;;SY)(A;OICI;FA;;;BA)(A;OICI;0x1200a9;;;AU)" $securityDescriptor = New-Object System.Security.AccessControl.RawSecurityDescriptor $sddlString $acl.SetSecurityDescriptorSddlForm($securityDescriptor.GetSddlForm("All")) Set-Acl -Path $directoryPath -AclObject $acl

    

3. Repeat the above steps for C:\ProgramData\ssh\logs.

    

Microsoft is actively investigating the issue and will provide a resolution in an upcoming Windows update. Further communications will be provided when a resolution or additional workarounds are available.

 

Citrix

 

IT admins

 

Devices that have certain Citrix components installed might be unable to complete installation of the January 2025 Windows security update. This issue was observed on devices with Citrix Session Recording Agent (SRA) version 2411. The 2411 version of this application was released in December 2024.

Affected devices might initially download and apply the January 2025 Windows security update correctly, such as via the Windows Update page in Settings. However, when restarting the device to complete the update installation, an error message with text similar to “Something didn’t go as planned. No need to worry – undoing changes” appears. The device will then revert to the Windows updates previously present on the device.

This issue likely affects a limited number of organizations as version 2411 of the SRA application is a new version. Home users are not expected to be affected by this issue.

 

Citrix has documented this issue, including a workaround, which can be performed prior to installing the January 2025 Windows security update. For details, see Citrix’s documentation.

 

Microsoft is working with Citrix to address this issue and will update this documentation once a resolution is available.

23H2 and 22H2

Highlights

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

Improvements

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

 

Windows 11, version 23H2

 

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.

   

Windows 11, version 22H2

 

This security update includes improvements that were a part of update KB5050092 (released January 28, 2025). Below is a summary of the key issues that this update addresses when you install this KB. If there are new features, it lists them as well. The bold text within the brackets indicates the item or area of the change we are documenting.

 

• [Hyper-V] Fixed: In backup scenarios, there is a delay. This might stop backups from running smoothly.

   

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 February 2025 Security Update.

Windows 11 servicing stack update (KB5053488) - 22621.4890 and 22631.4890

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. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.

Known issues in this update

Open Secure Shell service

 

All users

 

Following the installation of the October 2024 security update, some customers report that the OpenSSH (Open Secure Shell) service fails to start, preventing SSH connections. The service fails with no detailed logging, and manual intervention is required to run the sshd.exe process.

 

This issue is affecting both enterprise, IOT, and education customers, with a limited number of devices impacted. Microsoft is investigating whether consumer customers using Home or Pro editions of Windows are affected.

 

Customers can temporarily resolve the issue by updating permissions (ACLs) on the affected directories. Follow these steps:

 

1. Open PowerShell as an Administrator.

    

2. Update the permissions for C:\ProgramData\ssh and C:\ProgramData\ssh\logs to allow full control for SYSTEM and the Administrators group, while allowing read access for Authenticated Users. You can restrict read access to specific users or groups by modifying the permissions string if needed.

    

   Use the following commands to update the permissions:

    

   $directoryPath = "C:\ProgramData\ssh" $acl = Get-Acl -Path $directoryPath $sddlString = "O:BAD:PAI(A;OICI;FA;;;SY)(A;OICI;FA;;;BA)(A;OICI;0x1200a9;;;AU)" $securityDescriptor = New-Object System.Security.AccessControl.RawSecurityDescriptor $sddlString $acl.SetSecurityDescriptorSddlForm($securityDescriptor.GetSddlForm("All")) Set-Acl -Path $directoryPath -AclObject $acl

    

3. Repeat the above steps for C:\ProgramData\ssh\logs.

    

Microsoft is actively investigating the issue and will provide a resolution in an upcoming Windows update. Further communications will be provided when a resolution or additional workarounds are available.

 

Citrix

 

All users

 

Devices that have certain Citrix components installed might be unable to complete installation of the January 2025 Windows security update. This issue was observed on devices with Citrix Session Recording Agent (SRA) version 2411. The 2411 version of this application was released in December 2024.

Affected devices might initially download and apply the January 2025 Windows security update correctly, such as via the Windows Update page in Settings. However, when restarting the device to complete the update installation, an error message with text similar to “Something didn’t go as planned. No need to worry – undoing changes” appears. The device will then revert to the Windows updates previously present on the device.

This issue likely affects a limited number of organizations as version 2411 of the SRA application is a new version. Home users are not expected to be affected by this issue.

 

Citrix has documented this issue, including a workaround, which can be performed prior to installing the January 2025 Windows security update. For details, see Citrix’s documentation.

 

Microsoft is working with Citrix to address this issue and will update this documentation once a resolution is available.

These updates will be available from Windows Update and should install automatically in most cases. If you would like to download these updates for offline installation, you can get them from the Microsoft Catalog website. You can find the update for 24H2 here (but check the install instructions here as it's more complex, go to the Catalog tab at the bottom of the page), and 23H2 and 22H2 here.

Source

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