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.

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 security update includes fixes and quality improvements that are part of the following updates: September 9, 2025—KB5065429 (OS Builds 19044.6332 and 19045.6332) September 25, 2025—KB5066198 (OS Build 19045.6395) Preview The following is a summary of the issues that this update addresses when you install this update. If there are new features, it lists them as well. The bold text ...

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.

Updated 10/08/24--- END OF SERVICE NOTICE --- IMPORTANT Home and Pro editions of Windows 11, version 22H2 are at end of service today, October 8, 2024. They will no longer receive any updates. To continue receiving security and non-security updates after October 8, 2024, we recommend that you update to the latest version of Windows. Note We will continue to support Enterprise and Education ...

This cumulative update for Windows 11, version 23H2 (KB5068865), 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 ...

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.

Windows 11, versions 24H2 and 25H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 25H2 are included in the latest monthly quality update for Windows 11, version 24H2 but are in an inactive and dormant state.

Important: Use EKB KB5027397 to update to Windows 11, version 23H2. This security update contains fixes and quality improvements from KB5075941 (released February 10, 2026). The following summary outlines key issues addressed by this update. Also, included are available new features.

Highlights This update addresses security issues for your Windows operating system. Improvements This security update includes improvements that were a part of update KB5048667 (released December 10, 2024). 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 ...