UPDATE 5/28:
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Follow @WindowsUpdate for updates when new content is published to the Windows release health dashboard.
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
To install this update, use one of the following Windows and Microsoft release channels.
1 This latest cumulative update includes update for AI components. Even though the AI component updates are included in the update, the AI components are only applicable to Windows Copilot+ PCs and will not install on Windows PC or Windows Server.
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.
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 in this update, download the file information for cumulative update 5061977.
For a list of the files in the servicing stack update, download the file information for the SSU (KB5058523) - version 26100.4060.
support.microsoft.com
Check Windows Updates
UUP Dump:
64-bit ISO download:
ARM64 ISO download:
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KB5058499 Windows 11 Cumulative Update Preview build 26100.4202 (24H2) - May 28
Microsoft Support: May 28, 2025 - KB5058499 (OS Build 26100.4202) Preview For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 24H2, see its update history page. Be sure to follow...
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Microsoft Support:
May 27, 2025 - KB5061977 (OS Build 26100.4066) Out-of-band
For information about Windows update terminology, see types of Windows updates and the monthly quality update types. You can find an overview on the update history page for Windows Server 2025.Follow @WindowsUpdate for updates when new content is published to the Windows release health dashboard.
Improvements
This non-security update includes quality improvements. When you install this update:- [Hyper-V Platform] Fixed: An issue in the direct send path for a guest physical address (GPA) where confidential virtual machines running on Hyper-V with Windows Server 2025 might intermittently stop responding or restart unexpectedly, affecting service availability and requiring manual intervention. This issue primarily affects Azure confidential VMs.
Windows 11 servicing stack update (KB5058523)- 26100.4060
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
Microsoft is not currently aware of any issues with this update.How to get this update
Before you install this updateMicrosoft 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
To install this update, use one of the following Windows and Microsoft release channels.
| Available | Next Step |
|---|---|
| See the other options. |
| Yes (MSU) | Before you install this update To get the standalone package(s) for this update, go to the Microsoft Update Catalog website. This KB contains one or more MSU files that must be installed in order. Install this update Method 1: Install all MSU files together Download all MSU files for KB5055523 from Microsoft Update Catalog and place them in the same folder (for example, C:/Packages). Use Deployment Image Servicing and Management (DISM.exe) to install the target update. DISM will use the folder specified in PackagePath to discover and install one or more prerequisite MSU files as needed. Updating Windows PC To apply this update to a running Windows PC, run the following command from an elevated Command Prompt: DISM /Online /Add-Package /PackagePath:c:\packages\Windows11.0-KB5053598-x64.msuOr, run the following command from an elevated Windows PowerShell prompt: Add-WindowsPackage -Online -PackagePath "c:\packages\Windows11.0-KB5053598-x64.msu"Updating Windows Installation media To apply this update to Windows Installation media, see Update Windows installation media with Dynamic Update. To add this update to a mounted image, run the following command from an elevated Command Prompt: DISM /Image:mountdir /Add-Package /PackagePath:Windows11.0-KB5053598-x64.msuOr, run the following command from an elevated Windows PowerShell prompt: Add-WindowsPackage -Path "c:\offline" -PackagePath "Windows11.0-KB5053598-x64.msu" -PreventPending |
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.
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 in this update, download the file information for cumulative update 5061977.
For a list of the files in the servicing stack update, download the file information for the SSU (KB5058523) - version 26100.4060.
Source:
May 27, 2025—KB5061977 (OS Build 26100.4066) Out-of-band - Microsoft Support
support.microsoft.com
Check Windows Updates
UUP Dump:
64-bit ISO download:
Select language for Windows 11, version 24H2 (26100.4066) amd64
Select language for Windows 11, version 24H2 (26100.4066) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net
ARM64 ISO download:
Select language for Windows 11, version 24H2 (26100.4066) arm64
Select language for Windows 11, version 24H2 (26100.4066) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
uupdump.net
UUP Dump - Download Windows Insider ISO
UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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