CVE-2021-34458EPSS p85.0%

CVE-2021-34458CVE-2021-34458

microsoft / windows_server_2016

Description

Windows Kernel Remote Code Execution Vulnerability

Scoring

CVSS 9.9 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS2.63% probability of exploitation · percentile 85.0% · 2026-10-05T12:00:23Z
Last modified2026-08-10
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.