CVE-2026-50441CWE-822

Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

High · published July 14, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
25.3
In the wild
Unconfirmed
What it is

Untrusted pointer dereference in Windows Resilient File System (ReFS) 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
0.00333 · 25.3th percentile
Weakness
CWE-822 · Untrusted Pointer Dereference
Published
2026-07-14T17:07Z
EPSS history
Timeline
  • 14 JUL 17:07Z
    Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
    cvelistv5