Secure Boot
The latest Secure Boot coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows 11 KB5079271 & KB5079270 Updates: Critical 2026 Secure Boot & Recovery Fixes
Microsoft has quietly released two critical platform updates for Windows 11 that address foundational security and recovery components, marking a significant but under-the-radar maintenance effort...
Windows 11 February 2026 Updates: Setup, Recovery & Explorer Tweaks Analyzed
Microsoft quietly released two targeted Windows 11 updates on February 24, 2026, delivering improvements to the setup experience, recovery environment, and subtle File Explorer enhancements that have...
Windows 11 February Preview: Battery Icon Colors & Start Menu Changes Explained
Microsoft's February preview update for Windows 11 introduced two subtle but significant interface changes that reflect the company's ongoing refinement of its flagship operating system. While not...
Microsoft's Secure Boot Certificate Rotation: Critical Update for AVD, Windows 365 & Intune
Microsoft has initiated a critical security update process that requires immediate attention from IT administrators managing cloud PC environments. The company, in collaboration with PC ecosystem...
KB5077241 makes Sysmon a built-in Windows 11 tool, adds Emoji 16 and WebP support
Microsoft has quietly deployed the KB5077241 preview update for Windows 11, a release that may not grab headlines with flashy features but represents one of the most consequential...
Prepare Windows Now: Secure Boot Certificate Rotation Hits June 2026
Microsoft's upcoming Secure Boot certificate rotation scheduled for June 2026 represents one of the most significant security infrastructure changes in recent Windows history, requiring careful...
Windows 11 Secure Boot Certificate Refresh: Microsoft's 2023 CA Rollout Explained
Microsoft has initiated a critical, platform-wide refresh of the cryptographic certificates that protect Windows 11's pre-boot environment, delivering new Secure Boot certificates through Windows...
KB5075912 ESU refreshes Secure Boot certificates for Windows 10 22H2
Microsoft's February 2026 Extended Security Update (ESU) rollup, KB5075912, has quietly introduced a critical infrastructure change that will keep Secure Boot functional as Microsoft's 2011-era...
Secure Boot Certificate Migration 2026: Intune Remediations & Windows 11 Readiness Guide
The coordinated refresh of UEFI Secure Boot certificates by Microsoft has transitioned from a forward-looking advisory to an operational imperative for IT administrators worldwide. With the 2026...
CVE-2023-40546: Azure Linux Shim Vulnerability Analysis & Security Implications
A recent security advisory from Microsoft has revealed a significant vulnerability in Azure Linux's Shim component, designated as CVE-2023-40546, which has raised important questions about secure...
Windows 10 Secure Boot Certificate Expiration: Critical 2026 Deadline Looms
Microsoft has issued a critical warning for Windows 10 users that could render millions of devices unbootable if not addressed before 2026. The company is replacing the Secure Boot certificates that...
Secure Boot Certificate Expiry 2026: Critical Windows Update Guide & User Action Steps
A critical security deadline is approaching for millions of Windows PCs worldwide, with the Secure Boot certificates that authenticate trusted firmware components set to expire in mid-2026. This...