CVE-2026-85889CWE-306

CVE-2026-85889

Critical · published September 18, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
51.4
In the wild
Unconfirmed
What it is

Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00671 · 51.4th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-09-18T03:18Z
Affected products (1)
ProductVersionsFixed in
microsoft/azure_ai_foundryall versions—
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85889 · [email protected]
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 0%
    epss
  • 17 SEP 22:55Z
    Azure AI Foundry Elevation of Privilege Vulnerability
    cvelistv5