April 19, 2026—KB5091572 (OS Build 14393.9062) Out-of-band

April 19, 2026—KB5091572 OS Build 14393.9062 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 devices...