CVE-2026-50324
MEDIUMWindows Active Directory Federation Services Denial of Service Vulnerability
Title source: cnaDescription
Loop with unreachable exit condition ('infinite loop') in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
Windows Active Directory Federation Services Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50324
Scores
CVSS v3
5.9
EPSS
0.0078
EPSS Percentile
52.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-835
Status
published
Products (26)
Microsoft/Microsoft .NET Framework 3.5
3.5.0 - 2.0.50727.8983 & 3.0.30729.8978
Microsoft/Microsoft .NET Framework 3.5 AND 4.7.2
4.7.0 - 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.8
4.8.0 - 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
Microsoft/Microsoft .NET Framework 3.5 AND 4.8.1
4.8.1 - 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
Microsoft/Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
4.7.0 - 4.7.4143.0
Microsoft/Microsoft .NET Framework 4.8
4.8.0 - 4.8.4803.0
Microsoft/Microsoft .NET Framework 4.8.1
4.8.0.0 - 4.8.9340.0
Microsoft/Windows 10 Version 1607
10.0.14393.0 - 10.0.14393.9339
Microsoft/Windows 10 Version 1809
10.0.17763.0 - 10.0.17763.9020
Microsoft/Windows Server 2012 R2
6.3.9600.0 - 6.3.9600.23291
... and 16 more
Published
Jul 14, 2026
Tracked Since
Jul 14, 2026