certificate updates

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’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...