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Windows Secure Boot Certs Expire in June: What You Must Do
Microsoft warns that key Secure Boot certificates expire in June 2026, potentially leaving millions of PCs unable to boot. Here is what you need to know.
Key Takeaways
- Windows Secure Boot certificates expire June 2026 requiring manual firmware updates across all affected devices
- Microsoft urges users to install updated certificates before deadline to avoid boot failures and security risks
- Enterprise IT teams face significant deployment challenges managing certificate rotation across large device fleets
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DT Editorial AI··via msrc.microsoft.com