CVE-2025-54895CWE-190CWE-367

SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability

High · published September 9, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
20.1
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Windows SPNEGO Extended Negotiation allows an authorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00287 · 20.1th percentile
Weaknesses
CWE-190 · Integer Overflow or Wraparound; CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2025-09-09T17:00Z
EPSS history
Timeline
  • 09 SEP 17:00Z
    SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Elevation of Privilege Vulnerability
    cvelistv5