uefi firmware

Microsoft has issued a coordinated warning: the original Secure Boot certificates that have underpinned Windows platform integrity since 2011 are reaching the end of their lifecycle, and a deliberate, ecosystem-wide refresh is required before mid‑2026 to avoid a progressive loss of...

Microsoft has quietly begun a coordinated refresh of the Secure Boot certificate chain that underpins modern Windows platform security, rolling new 2023-era certificate authorities into firmware and Windows updates so devices running Windows 10 and Windows 11 can continue to trust and receive...

IT administrators now have practical, fleet-scale ways to check whether Windows devices are carrying the updated Secure Boot certificate chain and whether they’re ready to accept the upcoming Secure Boot updates — a crucial capability as Microsoft and OEMs rotate the platform’s cryptographic...

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’s Secure Boot trust anchors — the firmware‑provisioned certificates that validate bootloaders and the Windows boot manager — are approaching end‑of‑life, and the coordinated replacement process introduced by Microsoft and OEMs is now the single most urgent operational task for Windows...