Microsoft has been updating these certificates on consumer and non-managed business devices for the past months. Devices that haven’t received the newer certificates will continue to start and operate normally, and standard Windows updates will continue to install.

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5095093), includes production-quality improvements. 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 ...

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5072033), 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 ...

This cumulative update for Windows 11, version 23H2 (KB5093998), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release.

Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089548 (OS Build 28000.2113) May 26, 2026—KB5089570 (OS Build 28000.2179) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates The following summary outlines key quality improvements addressed by this update ...

This KB contains one or more MSU files that require installation in a specific order. You can install this update using Method 1 (install all MSU files together) or Method 2 (install each MSU file individually, in order).

Key identifiers such as date prefixes, the KB number, and build or version are retained to help you quickly recognize each update. For more details, see Simplified Windows Update titles or its accompanying blog post.