January 13, 2026—KB5073723 (OS Build 17763.8276)

January 13, 2026—KB5073723 OS Build 17763.8276 Applies To Windows Server 2019 Win 10 Ent LTSC 2019 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...

January 13, 2026—KB5073722 (OS Build 14393.8783)

January 13, 2026—KB5073722 OS Build 14393.8783 Applies To Windows Server 2016, all editions Win 10 Ent LTSB 2016 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...