CVE-2025-21311

Summary

Windows NTLM V1 Elevation of Privilege Vulnerability

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.2894affected
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0 < 10.0.25398.1369affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.2894affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.2894affected

Weaknesses

  • CWE-303: CWE-303: Incorrect Implementation of Authentication Algorithm

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: total

References