Vulnerability · Published Aug 20, 2026 · Assigned by microsoft
CVE-2026-66309Azure SQL Database Elevation of Privilege Vulnerability
Critical 9.1
In plain English
A critical-severity improper access control in Azure SQL Database from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.9%top 41.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure SQL Database | - |
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Azure SQL Database Elevation of Privilege Vulnerability vendor-advisory, patch