Vulnerability Intelligence Report
Azure SQL Database Elevation of Privilege Vulnerability
CVE-2026-66309
Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.
No Active Exploit Signals
CVSS Base Score
9.1
CRITICAL
Exploitability:2.3
Impact Score:6.1
EPSS Probability:0.86%
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 | Azure SQL Database | - (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.862%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2026-07-24T18:06:51 |
| Published | 2026-08-20T21:47:07 |
| Patch Date | 2026-08-20 |
| Last Updated | 2026-10-21T20:55:07 |
Community Chatter & Buzz