Disclosure summary
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
Source-reported weakness categories
CWE-306
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Jan
Open original source · Updated Jan 13, 2026
Microsoft SQL Server Elevation of Privilege Vulnerability
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.2
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | Microsoft SQL Server 2022 for x64-based Systems (GDR) | (MSRC status code 3) |
| Microsoft update guide | Microsoft SQL Server 2025 for x64-based Systems (GDR) | (MSRC status code 3) |
| Microsoft update guide | Microsoft SQL Server 2022 for x64-based Systems (CU 22) | (MSRC status code 3) |
Vendor remediation references
- 5073031 · build 16.0.1165.1 · product IDs 12147
- Vendor guidance · product IDs 12147
- 5073177 · build 17.0.1050.2 · product IDs 20748
- Vendor guidance · product IDs 20748
- 5072936 · build 16.0.4230.2 · product IDs 20751
- Vendor guidance · product IDs 20751
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-01-13T03:00:00-05:00
MODIFIED 2026-01-13T03:00:00-05:00
INGESTED 2026-10-08T12:45:21-04:00