Vulnerability Intelligence Report
Microsoft SQL Server Elevation of Privilege Vulnerability
CVE-2026-66819
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges over a network.
Injection
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:0.99%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-89 ↗CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft SQL Server 2017 (CU 31) | 14.0.0 < 14.0.3550.4 (affected) |
| Microsoft | Microsoft SQL Server 2017 (GDR) | 14.0.0 < 14.0.2130.4 (affected) |
| Microsoft | Microsoft SQL Server 2019 (CU 32) | 15.0.0.0 < 15.0.4490.9 (affected) |
| Microsoft | Microsoft SQL Server 2019 (GDR) | 15.0.0 < 15.0.2190.7 (affected) |
| Microsoft | Microsoft SQL Server 2022 (CU 26) | 16.0.0.0 < 16.0.4275.2 (affected) |
| Microsoft | Microsoft SQL Server 2022 (GDR) | 16.0.0 < 16.0.1200.5 (affected) |
| Microsoft | Microsoft SQL Server 2025 (CU8) | 17.0.0.0 < 17.0.4085.5 (affected) |
| Microsoft | Microsoft SQL Server 2025 for x64-based Systems (GDR) | 17.0.1050.2 < 17.0.1135.8 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-07-27T19:02:26 |
| Published | 2026-09-08T17:18:31 |
| Patch Date | 2026-09-08 |
| Last Updated | 2026-09-25T21:20:15 |
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