CVE-2026-50304

HIGH

Windows Active Directory Federation Services Denial of Service Vulnerability

Title source: cna
STIX 2.1

Description

Stack-based buffer overflow in Active Directory Federation Services 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-2026-50304

Scores

CVSS v3 7.5
EPSS 0.0107
EPSS Percentile 61.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-121
Status published
Products (28)
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 6.2.9200.0 - 6.2.9200.26226
... and 18 more
Published Jul 14, 2026
Tracked Since Jul 14, 2026