CVE-2026-20871EPSS p90.7%

CVE-2026-20871CVE-2026-20871

microsoft / windows_10_21h2

Description

Use after free in Desktop Windows Manager 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
EPSS4.20% probability of exploitation · percentile 90.7% · 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.