Vulnerability · Published Sep 17, 2026 · Assigned by microsoft
CVE-2026-85878Azure Database for PostgreSQL Elevation of Privilege Vulnerability
Critical 9.9
In plain English
A critical-severity security flaw in Azure HorizonDB from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure HorizonDB | - |
Weakness: CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Azure Database for PostgreSQL Elevation of Privilege Vulnerability vendor-advisory, patch