Certificate Rollover
The latest Certificate Rollover coverage — news, analysis, and updates from the WindowsNews.AI desk.
Microsoft’s June 2026 Secure Boot Warning: IT Must Act Now to Keep Windows Booting
Microsoft has issued a new reminder that the phased rollout of Secure Boot certificate updates remains on track, urging IT administrators and Windows users to continue deploying the necessary changes...
June 24, 2026: The Day Microsoft's 2011 Secure Boot Key Expires – Are Your Devices Ready?
As the calendar inches toward June 24, 2026, a little-known but critical component of Windows security is reaching its end of life. Microsoft's original Secure Boot Key Exchange Key (KEK), issued in...
Secure Boot Certificate Rollover Playbook: June 2026 Readiness Steps Every IT Team Must Take Now
Microsoft’s long-delayed Secure Boot certificate rollover now has a firm start date: June 2026. Organizations that fail to prepare will face machines that refuse to boot after the update—or...
Windows Security Now Shows Secure Boot Certificate Status with Color-Coded Indicators
Microsoft has quietly rolled out a significant update to Windows Security that gives users immediate visual feedback about their Secure Boot certificate status. The new interface displays color-coded...
Microsoft's Secure Boot Automation Guide: Enterprise Scripts for Certificate Readiness
Microsoft has released a comprehensive Secure Boot End-to-End Automation guide that provides enterprise IT teams with script-driven tools to assess certificate readiness across Windows fleets. The...
Fleet-wide Secure Boot certificate swap: IT verification and enrollment guide for the 2023 CA transition
Microsoft's upcoming Secure Boot certificate rotation represents one of the most significant security infrastructure changes for Windows devices in recent years, requiring IT administrators to verify...
Secure Boot Certificates Expire June 2026: What Windows 11 Users Need to Know
Microsoft's Secure Boot certificates, a cornerstone of Windows security, are set to begin expiring in June 2026, as highlighted in recent updates. This impending expiration affects millions of...
Microsoft Kicks Off Live Rollout of 2023 Secure Boot Certificates—Time to Act Before the 2026 Cutoff
Microsoft has begun pushing new Secure Boot certificates to Windows devices, a critical transition that will permanently retire trust in 2011-era signing keys and prevent older bootloaders from...
Microsoft Warns: UEFI Secure Boot Certificates Expire in 2026, Unpatched PCs at Risk
UEFI Secure Boot, the firmware-level defense that keeps Windows PCs free from boot-level malware, faces a critical transition in 2026 when core certificate authorities expire. Microsoft has warned...
Microsoft Demands OEMs Adopt New Secure Boot KEK CA to Avert Update Blockage
Microsoft has released a critical set of guidelines for OEMs and ODMs managing Secure Boot keys, warning that an impending certificate authority expiry could block security updates to millions of...
Microsoft Bolsters Secure Boot and Squashes Kernel Bugs in Windows 11 August 2025 Updates
Microsoft shipped its August 2025 Patch Tuesday updates for all supported Windows 11 versions on August 12, delivering critical security fixes, a preparatory Secure Boot certificate rollover, and...
KB5063878 Patch Warns: Windows 11 Secure Boot Certificates Expire in 2026
Microsoft’s August 2025 cumulative update for Windows 11, version 24H2, isn’t just another routine patch. KB5063878 (OS Build 26100.4946) delivers security and quality fixes, a bundled servicing...