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Windows Server 2025 KB5082063 security update (installation failures)

Security Patch Release
First reported
Last updated
Happening score
H score 10
1 unique sources, 1 articles

Summary

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Microsoft's KB5082063 security update for Windows Server 2025 is failing to install on some systems, disrupting April 2026 patch deployment. The company is investigating the issue after observing recurring installation errors. Some affected devices are also reporting 0x800F0983 and may boot into BitLocker recovery after the update.

Related Happenings

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Microsoft Windows 11 KB5089549 cumulative update

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Security Tool/Service
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Security Tool/Service
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Timeline

  1. 16.04.2026 10:37 2 articles · 1mo ago

    KB5082063 release and install failures on Windows Server 2025

    Untyped Phase

    Microsoft released the April 14, 2026 Windows security update KB5082063 for Windows Server 2025, and some affected systems began failing to install the update with recurring 0x800F0983 errors when deploying the April 2026 security updates.

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  2. 16.04.2026 10:37 1 articles · 1mo ago

    Microsoft investigates KB5082063 failures and BitLocker recovery risk

    Initial Disclosure

    Microsoft said it is monitoring diagnostic data reports for Windows Server 2025 devices, investigating KB5082063 installation failures, and warning IT administrators that some affected systems may boot into BitLocker recovery and prompt for a BitLocker key after deployment.

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