CVE-2025-49721CWE-122

Windows Fast FAT File System Driver Elevation of Privilege Vulnerability

High · published July 8, 2025

CVSS v3.1
7.8
EPSS
1%
Percentile
45.7
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Windows Fast FAT Driver 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
0.00557 · 45.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2025-07-08T16:57Z
EPSS history
Timeline
  • 08 JUL 16:57Z
    Windows Fast FAT File System Driver Elevation of Privilege Vulnerability
    cvelistv5