CVE-2021-34458
Medium
Elevated severity or exploit probability.
CVSS base
9.9
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
2.6%
84.8th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2021-07-16 · modified 2026-08-10
Description
Windows Kernel Remote Code Execution Vulnerability