Microsoft has published KB5122770 for SQL Server 2025 as a GDR security update. The update is listed at build 17.0.1135.8 and carries an official release date of 2026-09-08.
What changed
The update details currently available are:
- KB number: KB5122770
- Update name: GDR
- Update type: Security
- Product version: SQL Server 2025
- Build number: 17.0.1135.8
- Detail page: Microsoft support article for KB5122770
Why it matters
For teams tracking SQL Server 2025 servicing, this adds a new security-oriented GDR entry to the update history and identifies the build now associated with that release.
The update was detected in Microsoft’s SQL Server update history after the official release date, so it should be treated as a historical release notice rather than a same-day announcement.