CVE-2025-49683CWE-122CWE-190

Microsoft Virtual Hard Disk Remote Code Execution Vulnerability

High · published July 8, 2025

CVSS v3.1
7.8
EPSS
2%
Percentile
81.2
In the wild
Unconfirmed
What it is

Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code 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
0.02061 · 81.2th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-190 · Integer Overflow or Wraparound
Published
2025-07-08T16:57Z
EPSS history
Timeline
  • 08 JUL 16:57Z
    Microsoft Virtual Hard Disk Remote Code Execution Vulnerability
    cvelistv5