December 18, 2025—KB5074974 (OS Build 14393.8692) Out-of-band

December 18, 2025—KB5074974 OS Build 14393.8692 Out-of-band Windows Secure Boot certificate expirationImportant: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. Microsoft has been updating these certificates on consumer and non-managed business devic...