This out-of-band (OOB) update for Windows 11, version 25H2 and Windows 11, version 24H2 (KB5121767) is cumulative. It includes all improvements from previous security and non-security updates, along with an additional fix.
Improvements
This OOB update includes the following improvement:
[System Performance] This update addresses an issue affecting a limited number of devices with an Intel Innovation Platform Framework (Intel IPF) driver that could cause changes in performance, power consumption, or system behavior after installing recent Windows updates. A limited number of Dell devices that were temporarily prevented from receiving the July 2026 security update KB5101650 can now install this OOB update. This OOB update is only recommended for devices affected by this issue. If your device is not affected, no action is required.
Note
If you have turned on Get the latest updates as soon as they're available in Windows Update settings (Settings > Windows Update), you will automatically receive this OOB update. If the toggle is off on your device, you can install the update by going to Settings > Windows Update and selecting Download & Install. This OOB update is also available from the Microsoft Update Catalog.
Component updates
Servicing stack update (SSU)
Includes KB5120102 (Build 26100.8872), which improves the reliability of the Windows update installation process. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.
AI components
Updated to version 1.2605.856.0 (Image Search, Content Extraction, Semantic Analysis, Settings Model).
How to get this update
Before you install this update
Microsoft now 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.
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This update is an optional update. To install this optional update, go to Settings > Windows Update > Advanced options > Optional updates. |
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See the other release channels. |
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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 require installation in a specific order.
Install this update
Method 1: Install all MSU files together
Download all MSU files for KB5121767 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-KB5121767-x64\_fb63f62e4846b81b064c3515d7aff46c9d6d50c8.msu
Or, run the following command from an elevated Windows PowerShell prompt:
Add-WindowsPackage -Online -PackagePath "c:\\packages\\windows11.0-KB5121767-x64\_fb63f62e4846b81b064c3515d7aff46c9d6d50c8.msu"
Or use Windows Update Standalone Installer to install the target update.
Updating Windows Installation media
To apply this update to Windows Installation media, see Update Windows installation media with Dynamic Update.
Note: When downloading other Dynamic Update packages, ensure they match the same month as this KB. If the SafeOS Dynamic Update or Setup Dynamic Update is not available for the same month as this KB, use the most recently published version of each.
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-KB5121767-x64\_fb63f62e4846b81b064c3515d7aff46c9d6d50c8.msu
Or, run the following command from an elevated Windows PowerShell prompt:
Add-WindowsPackage -Path "c:\\offline" -PackagePath "windows11.0-KB5121767-x64\_fb63f62e4846b81b064c3515d7aff46c9d6d50c8.msu" -PreventPending
Method 2: Install each MSU file individually, in order
Download and install each MSU file individually either using DISM or Windows Update Standalone Installer in the following order:
- windows11.0-kb5043080-x64_953449672073f8fb99badb4cc6d5d7849b9c83e8.msu
- windows11.0-KB5121767-x64_588e6404d4e909f2609486fd91a7b28f02d4be0a.msu
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1 This latest cumulative update includes updates 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.
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See the other release channels. |
File Information
For a list of the files provided in this update, download the file information for cumulative update KB5121767.
For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5120102) - version 26100.8872.
