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CVE-2025-21311
Published: Jan 14, 2025
Modified: Feb 13, 2026
PUBLISHED
CVSS v3.1
9.8
CRITICAL
Description
Windows NTLM V1 Elevation of Privilege Vulnerability
| Vendor | Product | Versions |
|---|---|---|
Microsoft | Windows 11 Version 24H2 | affected 10.0.26100.0 - < 10.0.26100.2894 |
Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | affected 10.0.25398.0 - < 10.0.25398.1369 |
Microsoft | Windows Server 2025 | affected 10.0.26100.0 - < 10.0.26100.2894 |
Microsoft | Windows Server 2025 (Server Core installation) | affected 10.0.26100.0 - < 10.0.26100.2894 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
References
Windows NTLM V1 Elevation of Privilege Vulnerability
vendor-advisory
patch
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