Microsoft’s SQL Server update history now includes KB5091223, a GDR security update for SQL Server 2025.
The update is tied to:
- KB number: KB5091223
- Update name: GDR
- Update type: Security
- Product version: SQL Server 2025
- Build number: 17.0.1115.1
- Official release date: 2026-05-12
- Details page: https://support.microsoft.com/help/5091223
For administrators tracking SQL Server 2025 servicing, the key change here is the appearance of this GDR entry in Microsoft’s published update history, along with the build number and support article reference.
What Microsoft listed
The update history entry identifies KB5091223 as a security GDR for SQL Server 2025. Microsoft also provides a support page for the package at the linked KB article.
Why it matters
This gives DBAs and developers a concrete build reference for SQL Server 2025 servicing and a Microsoft-published article to track for package details.