Secure Boot
The latest Secure Boot coverage — news, analysis, and updates from the WindowsNews.AI desk.
UEFI Secure Boot 2011 Certificates Expire Oct 19—Use This Microsoft Script to Prepare
Microsoft’s July 15 Secure Boot Office Hours session confirmed that the final 2011-era certificate, the Windows Production PCA 2011, will expire on October 19, 2026. The event also revealed a...
Microsoft Fixes Windows Boot Loader Flaw That Could Weaken Secure Boot Defenses
Microsoft shipped its July 14, 2026 security updates to close a hole in the Windows Boot Loader that could let a well-placed attacker bypass security checks before the operating system loads. The...
Windows 11 July Update Patches Decade-Old Secure Boot Bootkit Vulnerability
On July 14, 2026, Microsoft rolled out cumulative update KB5101650 for Windows 11 versions 24H2 and 25H2. While the patch notes highlight a list of routine fixes, the update also delivered a...
Microsoft Closes Secure Boot Security Gap—Patches for All Windows Versions Out Now
Microsoft fixed a vulnerability in Windows Secure Boot on July 14, 2026 that could allow an attacker with local access to bypass the very mechanism designed to keep malware out of the boot process....
KB5099539 Ships to Windows 10 ESU: OLE Automation Fix and Networking Crackdown
Microsoft delivered cumulative update KB5099539 to Windows 10 Extended Security Updates (ESU) and LTSC systems on July 14, 2026—the July Patch Tuesday—patching a disruptive OLE Automation...
MultiOS-USB 0.12.1 Lets You Install Windows Without Disabling Secure Boot
The open-source MultiOS-USB tool just eliminated one of the most awkward steps in deploying Windows from a multiboot drive: turning off Secure Boot. Version 0.12.1, released on July 12, 2026, finally...
Debian 13.6 Ships With 2019 GeoIP Database, Breaking Location Services for Dual Booters
Debian has released version 13.6 of its Trixie testing branch, rolling out a batch of security fixes and firmware updates while unexpectedly reverting its GeoIP database to a state from December...
Microsoft Drops June 2026 Preview Fix KB5095093 for Windows 11 Shell Crashes on Provisioned PCs
Microsoft released an out-of-band preview update on June 23, 2026, that addresses a cascade of shell failures—Start, Search, Settings, Taskbar, and File Explorer—on Windows 11 24H2 and 25H2...
Expired Secure Boot Certificates Spark Microsoft's Auto-Update Expansion: What Windows 10 Users Need to Know
On June 24, a foundational layer of security protecting millions of Windows 10 PCs expired, forcing Microsoft to accelerate an automated certificate-renewal push that same day. The Secure Boot...
Microsoft Pauses Critical Secure Boot 2023 Certificate Update for Some Windows 11 PCs
Microsoft confirmed on July 10, 2026, that it has paused the distribution of a critical Secure Boot update for some Windows 11 PCs, citing device and firmware combinations that could prevent...
Microsoft Hosts Office Hours to Tackle 2026 Secure Boot Certificate Transition for Cloud VMs
Microsoft has announced a dedicated Office Hours event to address the looming Secure Boot certificate transition for virtualized environments, a change set for 2026 that will ripple across Hyper-V,...
CISA Advisory: CubeSpace CW0057 Firmware Vulnerability Allows Malicious Code Injection
The Cybersecurity and Infrastructure Security Agency (CISA) issued an urgent industrial control systems advisory on July 2, 2026, warning that satellite reaction wheels manufactured by CubeSpace...