CVE-2025-21311

CRITICAL EPSS 81.6%
Published Jan 14, 20251y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jan 14, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

Windows NTLM V1 Elevation of Privilege Vulnerability

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
81.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-303

Affected Products 3

VendorProductVersionRange
microsoftwindows_11_24h2* <10.0.26100.2894
microsoftwindows_server_2022_23h2* <10.0.25398.1369
microsoftwindows_server_2025* <10.0.26100.2894

References 1

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

Remediation

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