March 10, 2026—Hotpatch KB5079420 (OS Builds 26200.7979 and 26100.7979)

None None...

March 10, 2026—KB5079473 (OS Builds 26200.8037 and 26100.8037)

March 10, 2026—KB5079473 OS Builds 26200.8037 and 26100.8037 This cumulative update for Windows 11, version 25H2 and 24H2 KB5079473, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences...

August 12, 2025—KB5063875 (OS Builds 22621.5768 and 22631.5768)

August 12, 2025—KB5063875 OS Builds 22621.5768 and 22631.5768 Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business...