Windows 10 2019 build 17763.7678 (KB5063877) — release notes, downloads, known issues

Windows 10 · 2019 · Release · Security update (Patch Tuesday)

Cumulative Update for Windows 10 Version 1809 (17763.7678)

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Issue KB5063877 Fixes Windows Server 2019 Cluster Service Issue with BitLocker CSV Aug 17, 2025 · names this build
Issue Windows Server 2019 Cluster Regression Fixed: KB5063877 Resolves July BitLocker CSV Issue Aug 14, 2025 · names this build
Coverage AMD EPYC Rome (2nd Gen) and Azure: Reshaping Cloud HPC in 2019 Aug 16, 2025 · Windows 10 2019 coverage from this build's release window
Coverage Windows Server 2019 EOL: ESU to 2029 and Migration Paths Aug 26, 2025 · Windows 10 2019 coverage from this build's release window
Coverage 0patch Extends Security for Office 2016/2019 After End of Support with Paid Plans Aug 27, 2025 · Windows 10 2019 coverage from this build's release window
Fix Office 2016/2019 End of Support 2025: Patch, Upgrade, or Migrate to 365 Aug 28, 2025 · Windows 10 2019 coverage from this build's release window
Coverage Boot Windows Server 2019 Safe Mode: 4 Recovery Methods Sep 1, 2025 · Windows 10 2019 coverage from this build's release window
Coverage Access 2016/2019 End of Support: Migration Paths and Risks Sep 5, 2025 · Windows 10 2019 coverage from this build's release window

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