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

March 10, 2026—KB5079473 OS Builds 26200.8037 and 26100.8037 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, version 25H2 and 24H2 KB5079473, includes the latest security fixes and improvements, along with non-security...

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

March 10, 2026—Hotpatch KB5079420 OS Builds 26200.7979 and 26100.7979 Applies To Windows 11 Enterprise LTSC 2024 This Hotpatch update for Windows 11, version 25H2 and 24H2 KB5079420, improves functionality, performance, and reliability. To learn more about differences between security updates,...

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

August 12, 2025—KB5063875 OS Builds 22621.5768 and 22631.5768 Applies To Windows 11 Enterprise and Education, version 22H2 Windows 11 version 23H2, all editions Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. Thi...