CVE-2026-20863EPSS p31.4%

CVE-2026-20863CVE-2026-20863

microsoft / windows_11_23h2

Description

Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

Scoring

CVSS 7.0 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.40% probability of exploitation · percentile 31.4% · 2026-10-05T12:00:23Z
Last modified2026-07-30
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.