Certificate Expiration
The latest Certificate Expiration coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows 11 Enterprise Hotpatch Fixes Non-Admin UAC Prompt Bug for MSI Repairs
Microsoft shipped the September 2025 hotpatch—KB5065474—for Windows 11 Enterprise 24H2 and LTSC 2024 on September 9, updating eligible devices to OS Build 26100.6508. The release eliminates an...
Microsoft Kicks Off Live Rollout of 2023 Secure Boot Certificates—Time to Act Before the 2026 Cutoff
Microsoft has begun pushing new Secure Boot certificates to Windows devices, a critical transition that will permanently retire trust in 2011-era signing keys and prevent older bootloaders from...
Microsoft Fixes UAC Prompts in Windows 11 LTSC 2024 Hotpatch, Flags PSDirect Issue
Microsoft released hotpatch KB5065474 for Windows 11 Enterprise LTSC 2024 on September 9, 2025, advancing the operating system to build 26100.6508. The update eliminates nuisance User Account Control...
Microsoft’s September 2025 Update for Windows 11 24H2 Fires Urgent Secure Boot Expiration Warning
The September 2025 cumulative update for Windows 11 version 24H2, KB5065426 (OS Build 26100.6584), breaks new ground not for its fixes, but for the urgency of its operational advisory: Microsoft’s...
Microsoft’s No-Restart Patch Squashes UAC Prompts for Windows 11 LTSC, Warns of 2026 Secure Boot Crisis
Microsoft’s latest hotpatch for Windows 11 Enterprise LTSC 2024, KB5065474, landed on September 9, 2025, delivering immediate security hardening without a mandatory reboot — and packing a louder...
No-Reboot PSDirect Fix for Windows 11 Enterprise LTSC 2024 Arrives via Hotpatch KB5066360
Microsoft released a targeted security hotpatch, KB5066360, for Windows 11 Enterprise LTSC 2024 on September 9, 2025, addressing a critical vulnerability in PowerShell Direct (PSDirect) that could...
Microsoft Releases KB5065378 to Fortify Windows 11 Setup Against Upgrade Failures, Flags Secure Boot Expiry
Microsoft shipped KB5065378, a narrowly targeted setup dynamic update, on August 29, 2025, refreshing the core installation binaries for Windows 11 version 24H2 and Windows Server 2025. IT...
Microsoft Rushes KB5066189 to Fix Windows 11 Reset Bug, Flags June 2026 Secure Boot Deadline
Microsoft on August 19, 2025, released an out-of-band update, KB5066189, to fix a critical regression that caused Windows 11 devices to fail during reset, recovery, or remote wipe operations—a bug...
Patch for Windows Netlogon DoS Vulnerability Triggers NAS and Samba Issues, Secure Boot Deadlines Loom
Windows Server administrators juggling urgent patches and looming firmware deadlines just got a stark reminder that security hardening can break third-party integrations. Microsoft’s July 8, 2025...
Windows 11 24H2 August Patch Tuesday: Black Screen, Quick Machine Recovery, and Copilot+ Upgrades Arrive
Microsoft rolled out its August 2025 Patch Tuesday updates for Windows 11, and version 24H2 gets more than the usual security fixes. The cumulative update KB5063878 pushes the OS to Build 26100.4946...
Microsoft’s August Patch Bundles SSU with Windows 11 23H2/22H2 Security Update and Warns of 2026 Secure Boot Crunch
Microsoft shipped the August 2025 cumulative security update for older Windows 11 branches—KB5063875—on August 12, rolling out a combined latest cumulative update (LCU) and servicing stack update...
KB5064010 Delivers Arm64 Hotpatching to Windows 11 Enterprise LTSC 2024—But CHPE Must Be Disabled
Microsoft pushed out a routine-looking but strategically pivotal hotpatch on August 12, 2025, for Windows 11 Enterprise LTSC 2024. KB5064010 bumps the operating system build to 26100.4851, bundles...