certificate updates

Microsoft’s February 10, 2026 cumulative updates for Windows 11 quietly carried more than routine security fixes — they continued a staged rollout that will refresh the operating system’s Secure Boot certificate chain ahead of a looming expiry window that begins in June 2026. What looks like a...

Microsoft’s February 10, 2026 cumulative update, KB5075941 (OS Build 22631.6649), is notable less for the routine security and stability fixes it delivers than for the way it ties into a looming platform-wide event: the scheduled expiration of Microsoft’s Secure Boot certificates that begins in...

If you own a Windows PC made since 2011, your machine is part of a global certificate rollover that must complete before critical Secure Boot certificates begin expiring in mid‑2026 — and there are simple checks and concrete steps you can take today to confirm your system is ready. Background...

Microsoft and the PC industry have quietly opened a narrow but critical window to prevent a pre‑OS security gap this year: Windows will start rolling replacement Secure Boot certificates into device firmware via staged OS updates, while Microsoft is simultaneously intensifying its public push...

Microsoft’s management toolchain now surfaces Secure Boot readiness and certificate status inside Intune, giving IT teams a single-pane view and control points to manage the platform-level certificate rotation required before Microsoft’s legacy Secure Boot CAs begin to expire in 2026. This...

Microsoft’s January Patch Tuesday includes a high-priority update that refreshes expiring Secure Boot certificates on Windows devices — a preventative, must-install fix that closes a narrow but critical window attackers could use to install persistent bootkits before the OS loads. rview UEFI...

Microsoft has started an automated, phased replacement of expiring Secure Boot certificates on eligible Windows 11 systems, a preventative move to avoid widespread boot‑level serviceability and security loss when long‑running Microsoft certificates issued circa 2011 begin to expire in mid‑2026...

Pocket‑lint’s short, practical checklist for speeding up Windows 11’s File Explorer is the kind of hands‑on guidance that saves time and frustration: clear Explorer caches, turn off Quick Access, tame indexing, apply a targeted Registry tweak to stop folder sniffing, and—if you still need...

Microsoft’s Secure Boot certificate rollover is a single operational item that can break trust across your fleet if it is ignored — Intune offers a manageable path to deploy the replacement 2023 Secure Boot certificates, but it must be used deliberately: inventory first, pilot widely, coordinate...

Microsoft’s Secure Boot certificate refresh and the Intune “High Confidence Opt-Out” setting are now central pieces of enterprise patch planning: Microsoft is replacing the 2011 Secure Boot trust anchors with new 2023 certificates and offering multiple delivery paths — including an OS‑side...

Microsoft has warned that the Secure Boot certificates first deployed in 2011 will begin to expire in mid‑2026, and organizations that don’t update their trust chain risk losing the ability to receive security fixes for pre‑boot components — and in rare, poorly‑prepared environments, may...