CVE-2021-34486
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
9.3%
95.1th percentile
CISA KEV
Listed
Added 2022-03-28 · patch by 2022-04-18
Weakness / dates
CWE-416
Published 2021-08-12 · modified 2026-08-10
Description
Windows Event Tracing Elevation of Privilege Vulnerability