CVE-2026-40422CWE-908

Windows File Explorer Information Disclosure Vulnerability

Medium · published July 14, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
33.5
In the wild
Unconfirmed
What it is

Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00404 · 33.5th percentile
Weakness
CWE-908 · Use of Uninitialized Resource
Published
2026-07-14T17:05Z
EPSS history
Timeline
  • 14 JUL 17:05Z
    Windows File Explorer Information Disclosure Vulnerability
    cvelistv5