Microsoft released KB5089592 on May 26, 2026, as a Safe OS Dynamic Update for Windows 11 version 26H1, improving the Windows Recovery Environment while again warning that Secure Boot certificates on most Windows devices begin expiring in June 2026. The update itself is narrow, automatic, and...
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...
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kb5089592
kb5092765
safe os dynamic update
secure boot
secure boot certificates
windows 11
windows 11 24h2
windows 11 26h1
windows 11 servicing
windows recovery environment
windows servicing
winre recovery
winreupdate
Microsoft is replacing the original 2011 Secure Boot certificate chain across Windows PCs and servers before certificates begin expiring in June 2026 and continue expiring into October, affecting supported Windows 10, Windows 11, and Windows Server systems that still trust those aging boot...
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kb5089592
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safe os dynamic update
secure boot
secure boot certificates
setup dynamic update
uefi certificates
uefi firmware
uefi trust chain
windows 10
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windows 11
windows 11 24h2
windows 11 26h1
windows 11 security
windows 11 servicing
windows recovery environment
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windows servicing
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Microsoft released KB5089591 on May 12, 2026, as a Safe OS Dynamic Update for Windows 11 version 26H1, delivering improvements to the Windows Recovery Environment while repeating its warning that Secure Boot certificates on most Windows devices begin expiring in June 2026. The update itself is...
Microsoft released KB5089593 on May 12, 2026, as a Safe OS Dynamic Update for Windows 11 versions 24H2 and 25H2, updating the Windows Recovery Environment while again warning that Secure Boot certificates used by most Windows devices begin expiring in June 2026. The smallness of the package is...
Microsoft released KB5084812 on April 30, 2026, as a Safe OS Dynamic Update for Windows 11 versions 24H2 and 25H2, improving the Windows Recovery Environment while repeating an increasingly urgent warning that Secure Boot certificates used by most Windows devices begin expiring in June 2026. The...
Microsoft’s April 14, 2026 Safe OS Dynamic Update for Windows 11 versions 24H2 and 25H2 lands in the middle of a broader, unusually important Windows servicing cycle. On the surface, KB5083826 is a WinRE-focused update, but the timing matters: Microsoft is also pushing administrators to prepare...