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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2025-49735

Windows KDC Proxy Service (KPSSVC) Remote Code Execution Vulnerability

Description

Use after free in Windows KDC Proxy Service (KPSSVC) allows an unauthorized attacker to execute code over a network.

Affected products

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

Microsoft Windows Server 2012

  • 6.2.9200.0 to < 6.2.9200.25522affected

Microsoft Windows Server 2012 (Server Core installation)

  • 6.2.9200.0 to < 6.2.9200.25522affected

Microsoft Windows Server 2012 R2

  • 6.3.9600.0 to < 6.3.9600.22620affected

Microsoft Windows Server 2012 R2 (Server Core installation)

  • 6.3.9600.0 to < 6.3.9600.22620affected

Microsoft Windows Server 2016

  • 10.0.14393.0 to < 10.0.14393.8148affected

Microsoft Windows Server 2016 (Server Core installation)

  • 10.0.14393.0 to < 10.0.14393.8148affected

Microsoft Windows Server 2019

  • 10.0.17763.0 to < 10.0.17763.7434affected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.17763.0 to < 10.0.17763.7434affected

Microsoft Windows Server 2022

  • 10.0.20348.0 to < 10.0.20348.3807affected

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)

  • 10.0.25398.0 to < 10.0.25398.1665affected

Microsoft Windows Server 2025

  • 10.0.26100.0 to < 10.0.26200.4349affected

Microsoft Windows Server 2025 (Server Core installation)

  • 10.0.26100.0 to < 10.0.26200.4349affected

References