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CVE PROGRAM SOURCE RECORD7.4 High

CVE-2026-96222

Active Directory Federation Services (AD FS) Spoofing Vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
microsoft

Description

Improper certificate validation in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Microsoft .NET Framework 3.5

  • 3.5.0 to < 2.0.50727.9188 AND 3.0.30729.9171affected

Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2

  • 3.0.0.0 to < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0affected

Microsoft Microsoft .NET Framework 3.5 AND 4.7.2

  • 4.7.0 to < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0affected

Microsoft Microsoft .NET Framework 3.5 AND 4.8

  • 4.8.0 to < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0affected

Microsoft Microsoft .NET Framework 3.5 AND 4.8.1

  • 4.8.1 to < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0affected

Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

  • 4.7.0 to < 4.7.4150.0affected

Microsoft Microsoft .NET Framework 4.8

  • 4.8.0 to < 4.8.4811.0affected

Microsoft Microsoft .NET Framework 4.8.1

  • 4.8.0.0 to < 4.8.9363.0affected

Microsoft Microsoft Visual Studio 2022 version 17.14

  • 17.14.0 to < 17.14.42affected

Microsoft Microsoft Visual Studio 2026 version 18.10

  • 18.10.0 to < 18.10.4affected

Microsoft System.Security.Cryptography.Xml

  • 10.0.0 to < 8.0.5affected

Microsoft Windows 10 Version 1607

  • 10.0.14393.0 to < 10.0.14393.9612affected

Microsoft Windows 10 Version 1809

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2012 R2

  • 6.3.9600.0 to < 6.3.9600.23470affected

Microsoft Windows Server 2012 R2 (Server Core installation)

  • 6.3.9600.0 to < 6.3.9600.23470affected

Microsoft Windows Server 2016

  • 10.0.14393.0 to < 10.0.14393.9612affected

Microsoft Windows Server 2016 (Server Core installation)

  • 10.0.14393.0 to < 10.0.14393.9612affected

Microsoft Windows Server 2019

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.17763.0 to < 10.0.17763.9376affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.5761affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26100.33650affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26100.33650affected

References