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

Cumulative Update for Windows Server 2019 (1809) (17763.9020)

Windows Server 2019: Extended support

Download amd64 — build 17763.9020 from UUP Dump, opens in a new tab All 2019 builds JSON — this build from the builds API

AI summary

This cumulative update delivers security patches, bug fixes, and stability improvements for Windows Server 2019, strengthening system reliability and addressing known issues.

Generated from the package's release notes and forum coverage. Verify against Microsoft's release-health page before acting on it.

Known issues — reported on the forum

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