CVE-2025-54918CWE-287

Windows NTLM Elevation of Privilege Vulnerability

High · published September 9, 2025

CVSS v3.1
8.8
EPSS
25%
Percentile
97.9
In the wild
Unconfirmed
What it is

Improper authentication in Windows NTLM allows an authorized attacker to elevate privileges over a network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.25278 · 97.9th percentile
Weakness
CWE-287 · Improper Authentication
Published
2025-09-09T17:01Z
EPSS history
Timeline
  • 09 SEP 17:01Z
    Windows NTLM Elevation of Privilege Vulnerability
    cvelistv5