CVE-2025-49689CWE-125CWE-190CWE-822

Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability

High · published July 8, 2025

CVSS v3.1
7.8
EPSS
1%
Percentile
53.0
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00710 · 53.0th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-190 · Integer Overflow or Wraparound; CWE-822 · Untrusted Pointer Dereference
Published
2025-07-08T16:57Z
EPSS history
Timeline
  • 08 JUL 16:57Z
    Microsoft Virtual Hard Disk Elevation of Privilege Vulnerability
    cvelistv5