secure boot

Microsoft released KB5095185 on June 9, 2026, as a Safe OS Dynamic Update for Windows 11 version 26H1, refreshing the recovery and setup environment while again warning that long-lived Windows Secure Boot certificates begin expiring this month. The update itself is small in presentation but...

Microsoft released Windows 11 cumulative update KB5094126 on June 9, 2026, for Windows 11 versions 24H2 and 25H2, raising them to OS builds 26100.8655 and 26200.8655, while Windows 11 version 23H2 received KB5093998 and build 22631.7219. On paper, this is another Patch Tuesday bundle: security...

Microsoft is expected to begin rolling out the June 2026 security update for Windows 11 on Tuesday, June 9, 2026, bringing a batch of quality-of-life features to versions 24H2 and 25H2 through the same cumulative servicing channel. The headline is not one giant redesign, but a cluster of smaller...

Microsoft has clarified in a June 2026 Secure Boot administrator briefing that Windows PCs will not suddenly stop booting after the Microsoft Corporation KEK CA 2011 certificate expires on June 24, 2026, but unmanaged or unpatched devices may lose access to future revocation protections. That...

Microsoft told administrators on June 4, 2026, that Windows devices will not suddenly fail to boot when the original Secure Boot KEK certificate expires on June 24, but systems missing the 2023 certificates will lose access to future revocation updates and become progressively weaker against...

Microsoft has added a Secure Boot status report to Windows Autopatch in the Intune admin center to help organizations identify Windows devices that have not received the 2023 UEFI Secure Boot certificates before legacy 2011 certificates begin expiring in June 2026. The move is less a cosmetic...

Microsoft’s June 2026 Patch Tuesday for Windows 11 is scheduled for June 9, bringing the usual security fixes alongside new user-facing features such as low-latency performance boosts, Shared Audio, richer NPU monitoring, setup-time user-folder naming, and Secure Boot certificate updates. The...

Microsoft’s June 2026 Secure Boot AMA focused on the enterprise fallout from expiring 2011-era Secure Boot certificates, warning that Windows fleets may keep booting after the deadline while silently losing access to future boot trust updates, revocation protections, and predictable...

Organizations preparing for the Secure Boot certificate rollover that begins in June 2026 should first inventory Secure Boot status, apply OEM firmware updates where needed, test Microsoft’s certificate deployment path, and treat older hardware and virtualized systems as validation risks rather...

Microsoft’s 2011 Secure Boot certificate family begins expiring in June 2026, and the most consequential deadline is the Microsoft Corporation KEK CA 2011, whose replacement determines whether affected Windows devices can keep receiving future Secure Boot database and revocation updates. The...

The Windows 11 Installation Assistant is Microsoft’s upgrade tool for moving an existing Windows PC to Windows 11, but it succeeds only when the machine passes Microsoft’s compatibility checks, including x64 processor support, TPM 2.0, Secure Boot capability, licensing, storage, and setup...

Microsoft’s May 2026 Windows recap tells administrators that June will be dominated by Secure Boot certificate rollover work, default-on Windows hotpatching through Autopatch, new Intune-era management controls, and a fresh wave of Windows 11 features landing first through optional updates. The...

Microsoft released KB5092765 on May 26, 2026 as a Setup Dynamic Update for Windows 11 versions 24H2 and 25H2, improving setup reliability while again warning that older Secure Boot certificates used by most Windows devices begin expiring in June 2026. The update itself is not the drama; the...

Microsoft is replacing the 2011 Secure Boot certificates used by many Windows PCs before they begin expiring in late June 2026, because machines that miss the update may keep running but lose future boot-level protections, malware revocation updates, and potentially compatibility with later...

Microsoft published KB5089592 on May 26, 2026, as a Safe OS Dynamic Update for Windows 11 version 26H1 that refreshes the Windows Recovery Environment, replaces KB5089591, and arrives with a prominent warning about Secure Boot certificates beginning to expire in June 2026. That warning is the...

Microsoft released KB5096160 on May 26, 2026 as a Setup Dynamic Update for Windows 11 version 26H1, a narrowly scoped install-time package that refreshes setup components while repeating the company’s warning that Secure Boot certificates begin expiring in June 2026. The update is not the story...

Microsoft released KB5092765 on May 26, 2026, as a Setup Dynamic Update for Windows 11 versions 24H2 and 25H2, improving setup components while repeating its warning that Secure Boot certificates on most Windows devices begin expiring in June 2026 worldwide. The update itself is small, almost...

Microsoft published KB5089592 on May 26, 2026, as a Safe OS Dynamic Update for Windows 11 version 26H1, while again warning that Secure Boot certificates used by most Windows devices begin expiring in June 2026. The update itself is narrow, but the timing is not. Microsoft is using the machinery...

Microsoft released KB5089573 on May 26, 2026, as the optional non-security preview update for Windows 11 version 25H2 and 24H2, moving supported systems to OS builds 26200.8524 and 26100.8524 while also documenting a lingering installation failure tied to May’s earlier KB5089549 update. The...

Microsoft released KB5096160 on May 26, 2026, as a Setup Dynamic Update for Windows 11 version 26H1 that refreshes setup-related files for feature updates and repeats Microsoft’s warning that aging Secure Boot certificates begin expiring in June 2026. That pairing is the story: a routine-looking...