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kb5087544

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KB5087544 is the May 2026 Patch Tuesday cumulative security update for Windows 10 22H2 ESU systems, raising the build to 19045.7291. This update introduces Secure Boot status reporting in the Windows Security app, addressing certificate expiration as a critical boot-chain deadline. It is a maintenance release for an operating system past mainstream support, not a feature revival. The update also includes ESU rules and BitLocker checks, reflecting Microsoft's focus on security for extended support environments.
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    Windows 10 KB5087544 (May 2026): Secure Boot Status, ESU Rules, BitLocker Checks

    Microsoft released Windows 10 KB5087544 on May 12, 2026, as the May Patch Tuesday cumulative security update for Windows 10 22H2 ESU systems, raising supported 22H2 machines to build 19045.7291 and adding new Secure Boot status reporting in the Windows Security app. The update is not a feature...
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    • bitlocker kb5087544 secure boot windows 10 22h2
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    • Forum: Windows News
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