September 9, 2025—KB5065430 (OS Build 10240.21128)

September 9, 2025—KB5065430 OS Build 10240.21128 Applies To Windows 10 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 business devices to boot...

September 9, 2025—KB5065468 (Monthly Rollup)

September 9, 2025—KB5065468 Monthly Rollup Applies To Windows Server 2008 R2 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...