Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...
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.
XDA Developers on MSN
Microsoft's Secure Boot certificates expire in June 2026, but older PCs may never get the fix
Make sure you've updated before the deadline.
Secure Boot is one of the requirements for Windows 11. You cannot install Windows 11 until you enable Secure Boot in your BIOS. However, there are ways by which you ...
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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.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.
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