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Vulnerability Intelligence

CVE-2025-21311

CRITICAL9.8

Windows NTLM V1 Elevation of Privilege Vulnerability

Published Jan 14, 2025

Modified 4 months ago

No fix available

References

ADVISORYhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21311 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-21311

CVSS Analysis

CVSS v3.1

9.8

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Other

Ecosystems

Timeline

PublishedJan 14, 2025

ModifiedSep 9, 2025

CVE-2025-21311 | Mondoo Vulnerability Intelligence