CVE-2026-85878CWE-285

CVE-2026-85878

Critical · published September 18, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
55.4
In the wild
Unconfirmed
What it is

Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00778 · 55.4th percentile
Weakness
CWE-285 · Improper Authorization
Published
2026-09-18T04:17Z
Affected products (1)
ProductVersionsFixed in
microsoft/azure_horizondball versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85878 · [email protected]
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 1%
    epss
  • 17 SEP 23:04Z
    Azure Database for PostgreSQL Elevation of Privilege Vulnerability
    cvelistv5