CVE-2026-62772EPSS p24.5%

CVE-2026-62772CVE-2026-62772

microsoft / windows_11_26h1

Description

Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.33% probability of exploitation · percentile 24.5% · 2026-10-06T12:00:23Z
Last modified2026-08-13
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.