Your PC’s trust in Windows has an expiration date
Microsoft's Secure Boot certificates for Windows 11 PCs will expire in June 2026, which could impact system security. If users do not update their certificates, they may lose access to critical security updates and face potential boot failures. Microsoft is rolling out new certificates to ensure continued protection and users are advised to check their Secure Boot status.
- ▪The expiration of Secure Boot certificates could compromise the security of Windows 11 PCs after June 2026.
- ▪Users with outdated certificates may not receive boot-critical updates or malware blacklists, leading to potential vulnerabilities.
- ▪Microsoft is implementing new Secure Boot certificates that will be valid until 2038.
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News Your PC’s trust in Windows has an expiration date Microsoft’s Secure Boot certificate change could affect future security updates after June 2026. By Hans-Christian Dirscherl Managing Editor, PC-WELT May 27, 2026 3:30 am PDT Image: Alex Photo Stock/Shutterstock.com Summary created by Smart Answers AIIn summary:PCWorld reports that Windows 11 PCs face a critical security deadline when Secure Boot certificates expire in June 2026, potentially compromising system protection.PCs with outdated certificates may lose boot-critical updates, malware blacklists, and could experience boot failures or become unable to install future Windows feature updates.Microsoft is rolling out new certificates to replace the current ones from 2011, and users should ensure their systems receive these updates…
Excerpt limited to ~120 words for fair-use compliance. The full article is at PCWorld.
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