Secure Boot Certificates
The latest Secure Boot Certificates coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows 11’s 2026 Security Overhaul: Mandatory Secure Boot Certificate Renewal and a New Consent Model
Microsoft is preparing a foundational shift in Windows 11 security that will touch every device running the operating system. In 2026, the company will enforce a Secure Boot certificate rollover...
Windows 11 KB5094126 Update Triggers Boot Failures and BitLocker Lockouts Across Orgs
The June 2026 Patch Tuesday rollout has turned into a firefight for IT administrators as Windows 11 updates KB5094126 and KB5093998 cause blue screens of death, system freezes, and BitLocker recovery...
Temporarily Disabling Secure Boot Resolves Windows 11 Clean Install Boot Loop, Users Report
A Neowin writer discovered in June 2026 that two separate Windows 11 clean installations hit a boot loop on the very first reboot—unless Secure Boot was turned off during setup. The workaround is...
Windows 11’s June Update Adds a Stealth CPU Boost — and Three More Features You Should Know About
Microsoft’s June Patch Tuesday release for Windows 11 isn’t just a bag of security fixes. KB5094126, now rolling out to versions 25H2 and 24H2, quietly begins enabling a set of experience-focused...
KB5095185: Microsoft’s Quiet Windows 11 Update Signals Urgent Secure Boot Expiry
On June 9, 2026, Microsoft released KB5095185, a routine-looking Safe OS Dynamic Update for Windows 11 version 26H1. The update tunes the recovery and setup environment, but tucked inside is a stark...
Dell Releases SupportAssist Fix for BSODs, HP Investigates BitLocker Secure Boot Loops -- What Users Need to Know
Dell has quietly released an updated SupportAssist Remediation component to fix a series of blue screen crashes and reboot loops that have been plaguing some Dell and Alienware PC owners since early...
HP and Dell BIOS and Driver Updates Trigger Windows 11 Boot Loops and BSODs
HP’s April 2026 BIOS updates and Dell’s May 2026 SupportAssist Remediation update have thrown some Windows 11 PCs into a spiral of failures—BitLocker recovery loops on HP commercial systems and...
Secure Boot KEK CA 2011 expires June 2026; millions of PCs risk boot failures without firmware updates.
Microsoft’s fleet of 2011-vintage Secure Boot certificates is heading toward a hard expiration in June 2026, and the most critical deadline involves the Microsoft Corporation KEK CA 2011—a...
KB5089549 Fixes Secure Boot Zero-Day Under Active Bootkit Attack
Microsoft pushed an emergency cumulative update for Windows 11 24H2 on June 9, 2026, patching a zero-day Secure Boot certificate vulnerability tracked as CVE-2026-112244. KB5089549 arrives outside...
Admin prep for June 2026 Patch Tuesday: Install SSU, test Secure Boot, validate workflows
Microsoft’s June 9, 2026 Patch Tuesday will deliver a new round of updates for Windows 11. Before deploying to production, administrators must complete three preparatory tasks: validate that the...
HP April 2026 BIOS Update Bricking PCs With BitLocker Loops and Secure Boot Errors
HP's April 2026 BIOS firmware rollout for commercial Windows 11 PCs has backfired spectacularly, triggering widespread BitLocker recovery prompts, boot failures, and renewed Secure Boot certificate...
Secure Boot Certificate Upgrade: 2011 Keys Expire 2026—Act Now
Every Windows PC that relies on Secure Boot faces a hard deadline in the summer of 2026. On July 1, 2026, the root certificate that has authenticated the Windows boot process since the days of...