UPDATE 2/24:
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To view the latest updates about this release, visit the Windows release health dashboard or the update history page for Windows 11, version 25H2 and 24H2.
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If you're an enterprise user, see Microsoft Store apps - Configuration Manager.
If you're a consumer user, see Get updates for apps and games in Microsoft Store.
For more information about security vulnerabilities, see the Security Update Guide and the February 2026 Security Updates.
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 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.
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 provided in this update, download the file information for cumulative update 5077181.
For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5077869) - version 26100.7839.
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KB5077241 Windows 11 Cumulative Update Preview build 26100.7922 (24H2) and 26200.7922 (25H2) - Feb. 24
UPDATE 3/10: https://www.elevenforum.com/t/kb5079473-windows-11-cumulative-update-build-26100-8037-24h2-and-26200-8037-25h2-march-10.45185/ Microsoft Support: February 24, 2026 - KB5077241 (OS Builds 26200.7922 and 26100.7922) Preview This non-security update for Windows 11, version 25H2 and...
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Microsoft Support:
February 10, 2026 - KB5077181 (OS Builds 26200.7840 and 26100.7840)
This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates.To view the latest updates about this release, visit the Windows release health dashboard or the update history page for Windows 11, version 25H2 and 24H2.
Announcements and messages
This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices.Windows Secure Boot certificate expiration
Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and preparation steps, see Windows Secure Boot certificate expiration and CA updates.
Refreshing the root of trust: industry collaboration on Secure Boot certificate updates
Windows Experience Blog: Secure Boot is a foundational security feature of the Windows and Windows Server experience, providing protection from the moment a device powers on. Introduced in 2011, Secure Boot runs at startup – before Windows loads – and helps ensure only trusted, digitally signed...
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Microsoft Store apps updates
Windows Updates do not include updates for Microsoft Store apps.If you're an enterprise user, see Microsoft Store apps - Configuration Manager.
If you're a consumer user, see Get updates for apps and games in Microsoft Store.
Change log
| Change date | Change description |
|---|---|
| February 24, 2026 | Update: In the “How to get this update” section, under Catalog, the second MSU file listed in Method 2: Install each MSU file individually has been updated. |
Improvements
This security update contains fixes and quality improvements from KB5074109 (released January 13, 2026). KB5077744 (released January 17, 2026), and KB5078127 (released January 24, 2026). The following summary outlines key issues addressed by this update. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.- [Gaming] Fixed: This update addresses an issue that determines device eligibility for the full-screen gaming experience.
- [Networking] Fixed: This update addresses an issue that prevented some devices from connecting to certain WPA3‑Personal Wi‑Fi networks. The issue might occur after you install KB5074105.
- [Secure Boot] With this update, Windows quality updates include a broad set of targeting data that identifies devices and their ability to receive new Secure Boot certificates. Devices will receive the new certificates only after they show sufficient successful update signals, which helps ensures a safe and phased rollout.
For more information about security vulnerabilities, see the Security Update Guide and the February 2026 Security Updates.
AI Components
This release updates the following AI components:| AI Component | Version |
|---|---|
| Image Search | 1.2601.1268.0 |
| Content Extraction | 1.2601.1268.0 |
| Semantic Analysis | 1.2601.1268.0 |
| Settings Model | 1.2601.1268.0 |
Windows 11 servicing stack update (KB5077869)- 26100.7839
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 |
|---|---|
| This update downloads and installs automatically from Windows Update and Microsoft Update. |
| Yes 1 | 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 KB5077181 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-KB5077181-x64.msuOr, run the following command from an elevated Windows PowerShell prompt: Add-WindowsPackage -Online -PackagePath "c:\packages\Windows11.0-KB5077181-x64.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-KB5077181-x64.msuOr, run the following command from an elevated Windows PowerShell prompt: Add-WindowsPackage -Path "c:\offline" -PackagePath "Windows11.0-KB5077181-x64.msu" -PreventPendingMethod 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:
|
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 provided in this update, download the file information for cumulative update 5077181.
For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5077869) - version 26100.7839.
Source:
February 10, 2026—KB5077181 (OS Builds 26200.7840 and 26100.7840) - Microsoft Support
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