Vulnerability Intelligence Report
SQL Server Elevation of Privilege Vulnerability
CVE-2026-21262
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:2.04%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-284 ↗CWE-284: Improper Access Control
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2016 Service Pack 3 (GDR) | 13.0.0 < 13.0.6480.4 (affected) |
| Microsoft | Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack | 13.0.0 < 13.0.7075.5 (affected) |
| Microsoft | Microsoft SQL Server 2017 (CU 31) | 14.0.0 < 14.0.3520.4 (affected) |
| Microsoft | Microsoft SQL Server 2017 (GDR) | 14.0.0 < 14.0.2100.4 (affected) |
| Microsoft | Microsoft SQL Server 2019 (CU 32) | 15.0.0.0 < 15.0.4460.4 (affected) |
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 < 15.0.2160.4 (affected) |
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 < 16.0.1170.5 (affected) |
| Microsoft | Microsoft SQL Server 2022 for x64-based Systems (CU 23) | 16.0.0.0 < 16.0.4240.4 (affected) |
| Microsoft | Microsoft SQL Server 2025 (CU 2) | 17.0.0.0 < 17.0.4020.2 (affected) |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 < 17.0.1105.2 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.044%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2025-12-11T21:02:05 |
| Published | 2026-03-10T17:04:32 |
| Patch Date | 2026-03-10 |
| Last Updated | 2026-06-19T18:17:19 |
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