CVE-2026-50668CWE-122

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Medium · published July 14, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
37.1
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to elevate privileges with a physical attack.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00438 · 37.1th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-07-14T17:08Z
EPSS history
Timeline
  • 14 JUL 17:08Z
    Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
    cvelistv5