Vulnerability · Published Mar 10, 2026 · Assigned by microsoft
CVE-2026-21262SQL Server Elevation of Privilege Vulnerability
High 8.8
In plain English
A high-severity improper access control in Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.7%top 23.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2016 Service Pack 3 (GDR) | 13.0.0 – before 13.0.6480.4 |
| Microsoft | Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack | 13.0.0 – before 13.0.7075.5 |
| Microsoft | Microsoft SQL Server 2017 (CU 31) | 14.0.0 – before 14.0.3520.4 |
| Microsoft | Microsoft SQL Server 2017 (GDR) | 14.0.0 – before 14.0.2100.4 |
| Microsoft | Microsoft SQL Server 2019 (CU 32) | 15.0.0.0 – before 15.0.4460.4 |
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 – before 15.0.2160.4 |
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 – before 16.0.1170.5 |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU 23) | 16.0.0.0 – before 16.0.4240.4 |
| Microsoft | Microsoft SQL Server 2025 (CU 2) | 17.0.0.0 – before 17.0.4020.2 |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 – before 17.0.1105.2 |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- SQL Server Elevation of Privilege Vulnerability vendor-advisory, patch