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Microsoft’s June 2026 Secure Boot Warning: IT Must Act Now to Keep Windows Booting·MSFT +0.1%June 24, 2026: The Day Microsoft's 2011 Secure Boot Key Expires – Are Your Devices Ready?·NVDA +3.0%Windows Security to Add Secure Boot Readiness Indicator for Certificate Migration in April 2026·GOOGL +1.2%Secure Boot Certificate Upgrade: 2011 Keys Expire 2026—Act Now·AMZN +2.9%May 2026 Windows Update preps Secure Boot for critical certificate rotation·MSFT +0.1%June 2026 Secure Boot Certificate Deadline: What Windows Admins Must Do Now to Avoid Boot Failures·NVDA +3.0%May 2026 Secure Boot Update Forces Extra Restart, Risks Bricking PCs·GOOGL +1.2%Windows 11 Updates in Spring 2026 May Trigger Extra Reboots Due to Secure Boot Certificate Changes·AMZN +2.9%Microsoft’s June 2026 Secure Boot Warning: IT Must Act Now to Keep Windows Booting·MSFT +0.1%June 24, 2026: The Day Microsoft's 2011 Secure Boot Key Expires – Are Your Devices Ready?·NVDA +3.0%Windows Security to Add Secure Boot Readiness Indicator for Certificate Migration in April 2026·GOOGL +1.2%Secure Boot Certificate Upgrade: 2011 Keys Expire 2026—Act Now·AMZN +2.9%May 2026 Windows Update preps Secure Boot for critical certificate rotation·MSFT +0.1%June 2026 Secure Boot Certificate Deadline: What Windows Admins Must Do Now to Avoid Boot Failures·NVDA +3.0%May 2026 Secure Boot Update Forces Extra Restart, Risks Bricking PCs·GOOGL +1.2%Windows 11 Updates in Spring 2026 May Trigger Extra Reboots Due to Secure Boot Certificate Changes·AMZN +2.9%

Uefi Firmware

The latest Uefi Firmware coverage — news, analysis, and updates from the WindowsNews.AI desk.

12 stories in view AI assisted desk updated 3:33 PM
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Bitlocker · Certificate Rollover

Microsoft’s June 2026 Secure Boot Warning: IT Must Act Now to Keep Windows Booting

Microsoft has issued a new reminder that the phased rollout of Secure Boot certificate updates remains on track, urging IT administrators and Windows users to continue deploying the necessary changes...

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Secure Boot Certificates · Uefi Firmware

May 2026 Windows Update preps Secure Boot for critical certificate rotation

Microsoft’s May 2026 Patch Tuesday update (KB5031000) has begun rolling out the most significant Secure Boot certificate transition since the UEFI CA rotation in 2023. With the current Secure Boot...

WN WindowsNews Desk·8w ago
It Admin · Secure Boot

June 2026 Secure Boot Certificate Deadline: What Windows Admins Must Do Now to Avoid Boot Failures

Microsoft’s 2011 Secure Boot certificates expire in June 2026. If your organization hasn’t installed specific Windows updates that add the new certificates, Secure Boot‑enabled devices will...

WN WindowsNews Desk·8w ago
Secure Boot · Uefi Firmware

May 2026 Secure Boot Update Forces Extra Restart, Risks Bricking PCs

Microsoft's long-planned Secure Boot certificate rollover is set to reach ordinary Windows PCs in May 2026, and for many it will mean more than just a routine Patch Tuesday update. Alongside the...

WN WindowsNews Desk·9w ago
Bitlocker · Secure Boot

Windows 11 Updates in Spring 2026 May Trigger Extra Reboots Due to Secure Boot Certificate Changes

Windows 11 PCs may undergo an additional restart during update installations scheduled for spring 2026. Microsoft has confirmed that the extra reboot is intentional and tied to the deployment of...

WN WindowsNews Desk·10w ago
Enterprise Compliance · Exposure Management

Microsoft's Secure Boot 2023 Certificate Transition: Intune Deployment Guide and Enterprise Impact

Microsoft's Secure Boot certificate transition for 2023 requires enterprise IT teams to deploy new UEFI certificates through Intune before the September 2024 deadline, with a staged rollout that...

SE Security Desk·12w ago
Bios Update · Secure Boot

Microsoft Confirms 2026 Secure Boot Certificate Expiry: Why BIOS/UEFI Updates Are Now Critical

Microsoft has confirmed that the original Secure Boot certificates distributed with Windows 8-era hardware will expire in 2026, creating a potential security crisis for millions of devices. This...

SE Security Desk·14w ago
Endpoint Security · Secure Boot

Secure Boot 2011 Certificate Expires in 2026: What Windows Users Need to Know

Microsoft's Secure Boot 2011 certificate will expire on October 9, 2026, creating a potential compatibility issue for Windows devices that haven't received firmware updates. This expiration affects...

SE Security Desk·15w ago
Secure Boot · Uefi Firmware

Windows Security App Now Warns Users About 2011 Secure Boot Certificate Expiration in 2026

Microsoft has begun displaying warnings in the Windows Security app about a critical infrastructure deadline: the original Secure Boot certificates issued in 2011 will expire between April and June...

SE Security Desk·15w ago