Microsoft is issuing new Secure Boot certificates to Windows PC users, as the initial certificates are reaching the end of a planned lifespan after 15 years and are set to expire in June 2026. The ...

Microsoft has announced that the original Secure Boot certificates that were issued when the feature first began shipping 2011 are set to expire this June, and that PCs which are not up to date will ...

Microsoft has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...