December 9, 2025—KB5071507 (Security-only update)

December 9, 2025—KB5071507 Security-only update Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

KB5074204: Security Update for Windows PowerShell (OS Builds 26100.7392 and 26200.7392)

KB5074204: Security Update for Windows PowerShell OS Builds 26100.7392 and 26200.7392 Applies To Windows 11 Enterprise LTSC 2024 Windows 11 Enterprise and Education, version 24H2 Windows 11 Enterprise and Education, version 25H2 For information about Windows update terminology, see types of Windo...