CVE-2026-50647CWE-835

Active Directory Federation Server Denial of Service Vulnerability

High · published July 14, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
67.3
In the wild
Unconfirmed
What it is

Loop with unreachable exit condition ('infinite loop') 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/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01174 · 67.3th percentile
Weakness
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
Published
2026-07-14T17:08Z
EPSS history
Timeline
  • 14 JUL 17:08Z
    Active Directory Federation Server Denial of Service Vulnerability
    cvelistv5