CVE-2025-54091CWE-122CWE-190

Windows Hyper-V Elevation of Privilege Vulnerability

High · published September 9, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
38.5
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Windows Hyper-V 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: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
0.00454 · 38.5th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-190 · Integer Overflow or Wraparound
Published
2025-09-09T17:01Z
EPSS history
Timeline
  • 09 SEP 17:01Z
    Windows Hyper-V Elevation of Privilege Vulnerability
    cvelistv5