CVE-2026-50647

high Microsoft
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.1%
Exploitation probability in 30 days
Top 38% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: July 14, 2026 (54 days ago)
Last Modified: July 24, 2026
Vendor: Microsoft
Source: NVD

Description

Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CWE

CWE-835

Affected Products

microsoft windows 10 1607microsoft windows 10 1809microsoft windows 10 21h2microsoft windows 10 22h2microsoft windows 11 24h2microsoft windows 11 25h2microsoft windows 11 26h1microsoft windows server 2012microsoft windows server 2016microsoft windows server 2019

References

🔗 msrc.microsoft.com