CVE-2026-96222

EUVD-2026-99750
Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.4 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 46.56%
Windows Releases
Platform
Version
Windows 10
1607 (x64, x86)
1607
1809
1809
1809 (x64, x86)
21H2
21H2
22H2
22H2
Windows 11
23H2
24H2
25H2
26H1
26H1
26H2
Windows Server 2012
Standard
Standard
Standard
Windows Server 2012 R2
Server Core
Standard
Standard
Standard
Standard
Windows Server 2016
Server Core
Standard
Standard
Windows Server 2019
Server Core
Standard
Standard
Standard
Windows Server 2022
Server Core
Standard
Standard
Standard
Windows Server 2025
Server Core
Standard
Standard