CVE-2026-69982CWE-1390

CVE-2026-69982

Medium · published October 13, 2026

CVSS v3.1
5.9
EPSS
1%
Percentile
46.3
In the wild
Unconfirmed
What it is

Weak authentication in Active Directory Federation Services (AD FS) allows an unauthorized attacker to bypass a security feature over a network.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00567 · 46.3th percentile
Weakness
CWE-1390 · Weak Authentication
Published
2026-10-13T23:19Z
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69982 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:33Z
    EPSS moved — → 1%
    epss
  • 13 OCT 19:00Z
    Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability
    cvelistv5
  • 13 OCT 19:00Z
    Active Directory Federation Services (AD FS) Security Feature Bypass Vulnerability
    cvelistv5