February 10, 2026—KB5075912 (OS Builds 19045.6937 and 19044.6937)

February 10, 2026—KB5075912 OS Builds 19045.6937 and 19044.6937 Applies To Windows 10 ESU Windows 10 Enterprise LTSC 2021 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 o...