Secure Boot
The latest Secure Boot coverage — news, analysis, and updates from the WindowsNews.AI desk.
Secure Boot Certificates Expire June 2026: Critical Windows Security Update Required
Microsoft's Secure Boot infrastructure faces a fundamental expiration event in June 2026 that will impact millions of Windows devices. The certificates that have validated Secure Boot since Windows...
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...
KB5079471 refreshes Windows 11 24H2 and 25H2 recovery environment on March 10, 2026.
Microsoft pushed a targeted Windows Recovery Environment refresh to Windows 11 on March 10, 2026, through Safe OS dynamic update KB5079471. This update specifically refreshes the WinRE image for...
Windows Boot Error 0xC0000428 Exposes Digital Signage Vulnerabilities in Hotel Elevator Incident
A smart mirror in a UK hotel elevator displayed Windows Boot Manager's recovery screen this week, revealing the Windows infrastructure behind what guests assumed was a dedicated digital signage...
Microsoft Intune Now Supports Secure Boot Certificate Updates via Settings Catalog
Microsoft has officially released guidance for enabling Secure Boot certificate updates through Microsoft Intune's Settings catalog, providing enterprise administrators with a critical tool for...
March 2026 Patch Tuesday brings SHA-3 Secure Boot switch and built-in Sysmon to Windows 11
Microsoft's March 2026 Patch Tuesday for Windows 11 delivers more than security fixes. KB5079473, applying to Builds 26200.8037 and 26100.8037, introduces two significant changes: a transition to...
Microsoft's High Confidence Database powers phased Secure Boot certificate updates across billions of Windows devices.
Microsoft has detailed its High Confidence Database (HCDB), a critical component enabling large-scale Secure Boot certificate rotations across the Windows ecosystem. This database-driven approach...
Windows 11 KB5078883: Microsoft's Phased Secure Boot Certificate Refresh Explained
Microsoft's March 10, 2026 cumulative update for Windows 11 (KB5078883, OS Build 22631.6783) delivers more than routine security patches. The update initiates a phased refresh of Secure Boot...
Windows 10 End of Support Drives Linux Migration as Users Resist AI, Subscription Models
Microsoft's October 2025 deadline for Windows 10 end of support is triggering a significant migration to Linux, with users citing resistance to AI integration, subscription models, and hardware...
Microsoft Removes Official Windows 11 Bypass Guide: What It Means for Older PCs
Microsoft has quietly removed the official workaround documentation that allowed users to bypass Windows 11's strict hardware requirements, signaling a significant shift in the company's approach to...
Secure Boot Certificate Expiry 2026: What Windows Users Need to Know About UEFI CA Updates
Microsoft has issued a critical platform-level warning that will affect millions of Windows devices worldwide: the Secure Boot certificates first issued around 2011 that underpin Windows' pre-boot...
February 2026 Windows Update: Secure Boot Changes, Native Sysmon, and 26H1 Testing Guide
Microsoft's February 2026 update cycle represents a significant inflection point for IT administrators and Windows professionals, delivering far more than routine security patches. This month's...