CVE-2025-33071

Summary

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

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows Server 20126.2.9200.0 < 6.2.9200.25522affected
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 < 6.2.9200.25522affected
MicrosoftWindows Server 2012 R26.3.9600.0 < 6.3.9600.22620affected
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 < 6.3.9600.22620affected
MicrosoftWindows Server 201610.0.14393.0 < 10.0.14393.8148affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 < 10.0.14393.8148affected
MicrosoftWindows Server 201910.0.17763.0 < 10.0.17763.7434affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 < 10.0.17763.7434affected
MicrosoftWindows Server 202210.0.20348.0 < 10.0.20348.3807affected
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 < 10.0.25398.1665affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.4349affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.4349affected

Weaknesses

  • CWE-416: CWE-416: Use After Free

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References