Windows Server · 2019 · Release · 2026-09 OOB

Cumulative Update for Windows Server 2019 (1809) (17763.9247)

Windows Server 2019: Extended support

Download amd64 — build 17763.9247 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 operational 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

No problems reported on the forum for this build yet. Threads that name 17763.9247 or KB5129238 and describe a fault appear here automatically.

In the news

No article names 17763.9247 or KB5129238 yet, and nothing about Windows Server 2019 was published in its release window. Browse Windows news.

Discussed on the forum

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