CVE-2026-85319CWE-770denial-of-service

CVE-2026-85319

High · published October 13, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
65.4
In the wild
Unconfirmed
What it is

Allocation of resources without limits or throttling in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01103 · 65.4th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-10-13T23:20Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85319 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:34Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:00Z
    Active Directory Federation Services (AD FS) Denial of Service Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Active Directory Federation Services (AD FS) Denial of Service Vulnerability
    cvelistv5