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. This section provides key notifications related to this release, including announcements, change logs, and end-of-support notices.

The following summary outlines key issues addressed by the KB update after you install it. Also, included are available new features. The bold text within the brackets indicates the item or area of the change. If you installed earlier updates, your device downloads and installs only the new updates contained in this package.

To learn more about Windows update terminology, see types of Windows updates and monthly quality update types. For an overview, see the update history page for Windows 11, version 24H2 and version 25H2. Stay informed! Follow @WindowsUpdate for the latest updates from 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.

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.

Important: Use EKB KB5027397 to update to Windows 11, version 23H2. This security update contains fixes and quality improvements from KB5071417 (released December 9, 2025). The following summary outlines key issues addressed by this update. Also, included are available new features.

Microsoft is investigating whether consumer customers using Home or Pro editions of Windows are affected. This issue is addressed in KB5052094. Before you install this update. Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU).

The following summary outlines key issues addressed by the KB update after you install it. Also, included are available new features. The bold text within the brackets indicates the item or area of the change. If you installed earlier updates, your device downloads and installs only the new updates contained in this package.

Known issues in this update For the most up-to-date information about known issues for Windows 11, version 25H2, go to the Windows release health dashboard.

This out-of-band update for Windows Server 2022 (KB5082314) is cumulative. It includes updates from previous security updates, along with an additional fix. 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 ...