September 9, 2025—KB5065511 (Security-only update)

September 9, 2025—KB5065511 Security-only update 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 for the...

August 12, 2025—KB5063888 (Monthly Rollup)

August 12, 2025—KB5063888 Monthly Rollup 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 for the past...