CVE-2025-21311 Information

Description

Windows NTLM V1 Elevation of Privilege Vulnerability

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21311

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8