Summary
Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.
Products covered
Microsoft SQL Server 2025 for x64-based Systems (CU8)
Microsoft SQL Server 2022 for x64-based Systems (CU 26)
Microsoft SQL Server 2017 for x64-based Systems (GDR)
Microsoft SQL Server 2019 for x64-based Systems (GDR)
Microsoft SQL Server 2017 for x64-based Systems (CU 31)
Microsoft SQL Server 2022 for x64-based Systems (GDR)
Microsoft SQL Server 2025 for x64-based Systems (GDR)
Microsoft SQL Server 2019 for x64-based Systems (CU 32)
Remediation
Install KB5122769. Install KB5122768. Install KB5122775. Install KB5122773. Install KB5122774. Install KB5122771. Install KB5122770. Install KB5122772.
Vendor-listed fixes
17.0.4085.5
16.0.4275.2
14.0.2130.4
15.0.2190.7
14.0.3550.4
16.0.1200.5
17.0.1135.8
15.0.4490.9
CVEs in this advisory 1
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- The vendor changed the advisory's last-updated date.
- The vendor changed the advisory summary.
- CVSS changed from 8.8 to 9.8.
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Confirmed at the source
Our collector saw this advisory during a later source check.