CVE-2026-97788

EUVD-2026-100308
Observable discrepancy in Active Directory Federation Services (AD FS) allows an unauthorized attacker to disclose information over a network.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 51.8%
Windows Releases
Platform
Version
Windows 10
1607
1607 (x64, x86)
1809
1809
1809 (x64, x86)
21H2
21H2
21H2 (arm64, x64, x86)
22H2
22H2
22H2 (arm64, x64, x86)
Windows 11
23H2
23H2 (arm64, x64)
24H2
24H2 (arm64, x64)
25H2
25H2 (arm64, x64)
26H1
26H1
26H1 (arm64, x64)
26H2
26H2 (arm64, x64)
Windows Server 2012
Server Core
Standard
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