CVE-2026-50428EPSS p33.1%

CVE-2026-50428CVE-2026-50428

microsoft / windows_11_26h1

Description

Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.

Scoring

CVSS 7.1 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS0.41% probability of exploitation · percentile 33.1% · 2026-10-05T12:00:23Z
Last modified2026-07-22
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.