Windows Server · 2019 · Release · Out-of-band update

Cumulative Update for Windows Server 2019 (1809) (17763.9488)

Windows Server 2019: Extended support through 2029-01-09

Microsoft release information · Verified Nov 13, 2026

Download amd64 — build 17763.9488 from UUP Dump, opens in a new tab All 2019 builds JSON — this build from the builds API

AI summary

The supplied identity labels this as a Release for Windows Server 2019 (version 1809), but Microsoft’s release history lists build 17763.9487, not 17763.9488. I couldn’t verify release notes for 9488, so I can’t confirm any specific changes. (learn.microsoft.com)

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

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