Windows 10 KB5078885 ESU out with Secure Boot 2023, replacing expiring Secure Boot certificates from 2011. But it's a staged roll out.

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

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.

If you receive Event ID 1797 in the Event log on your Windows 11/10 computer, this post will help you understand the cause, reason, and possible resolution. The Windows UEFI CA 2023 certificate and ...

Microsoft has released the first Windows 10 update of 2026, an important security patch called update KB5073724. This update is available for users of Windows 10 21H2, Windows 10 Enterprise LTSC 2021, ...

Microsoft has released the Windows 10 KB5078885 extended security update to fix the March 2026 Patch Tuesday vulnerabilities, ...

Windows 11 requires a TPM 2.0 security processor to install or upgrade to Windows 11. Unfortunately, mistakes in support documents have causes conflicting information ...