// For flags

CVE-2025-21311

Windows NTLM V1 Elevation of Privilege Vulnerability

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Windows NTLM V1 Elevation of Privilege Vulnerability

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2024-12-10 CVE Reserved
  • 2025-01-14 CVE Published
  • 2025-01-15 EPSS Updated
  • 2025-01-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-303: Incorrect Implementation of Authentication Algorithm
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Microsoft
Search vendor "Microsoft"
Windows Server 2025 (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)"
>= 10.0.26100.0 < 10.0.26100.2894
Search vendor "Microsoft" for product "Windows Server 2025 (Server Core Installation)" and version " >= 10.0.26100.0 < 10.0.26100.2894"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2022, 23H2 Edition (Server Core Installation)
Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)"
>= 10.0.25398.0 < 10.0.25398.1369
Search vendor "Microsoft" for product "Windows Server 2022, 23H2 Edition (Server Core Installation)" and version " >= 10.0.25398.0 < 10.0.25398.1369"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows 11 Version 24H2
Search vendor "Microsoft" for product "Windows 11 Version 24H2"
>= 10.0.26100.0 < 10.0.26100.2894
Search vendor "Microsoft" for product "Windows 11 Version 24H2" and version " >= 10.0.26100.0 < 10.0.26100.2894"
en
Affected
Microsoft
Search vendor "Microsoft"
Windows Server 2025
Search vendor "Microsoft" for product "Windows Server 2025"
>= 10.0.26100.0 < 10.0.26100.2894
Search vendor "Microsoft" for product "Windows Server 2025" and version " >= 10.0.26100.0 < 10.0.26100.2894"
en
Affected