Microsoft’s UEFI Secure Boot certificate expires in June 2026

BornCity·Jun 30

This story is reported by BornCity. Read what other outlets are saying below, then open the original report for full details.

Full coverage

1

A crucial Windows security certificate just expired - how to check your PC

ZDNET·Jun 25

2

Microsoft Secure Boot certificates expire June 27—here's what that means for your old PC

How-To Geek·Jun 20

3

Your Windows PC has a security deadline in June 2026

Malwarebytes·May 28

4

Windows updated Secure Boot just in time. Here’s what happened

PCWorld·Jun 24

5

Microsoft's Original Windows Secure Boot Certificate Is Expiring

Dark Reading·Apr 16

6

In 2011, Microsoft signed the Secure Boot certificates that still sit inside millions of Windows PCs, and the first one expires on June 24, 2026, leaving unupdated machines running normally while future boot-level revocations stop reaching them

Space Daily·Jun 23

7

FAQ: What you need to know about expiring Windows Secure Boot certificates

Computerworld·May 26

8

Windows 11 Secure Boot update released to all, hours ahead of expiry

Windows Latest·Jun 24