Microsoft's Secure Boot certificates expire in June, and unless you've enrolled in its 'Extended Security Updates' program, ...

Microsoft warns Secure Boot certificates will expire June 2026, updating PCs automatically to maintain boot-level security.

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Secure Boot certificate upgrades is bad news for Windows 10 ...

Microsoft is reminding users that the Secure Boot ecosystem will soon require a mandatory check-up. The Redmond-backed security protocol, part of the UEFI specification and primarily ...

Microsoft has addressed a security vulnerability that can lead to BitLocker Secure Boot bypass on both Windows 10 and 11. Alongside that, the company has also detailed how to resize the WinRE space.

Microsoft has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Microsoft has released out-of-band updates to fix a known issue causing Windows 10 systems to boot into BitLocker recovery after installing the May 2025 security updates. To fix systems stuck at a ...