March 28, 2022 · Applied Cybernetics Group
CVE-2021-34486 — Microsoft Windows
Microsoft Windows Event Tracing Privilege Escalation Vulnerability
- Added to KEV
2022-03-28- Federal due date
2022-04-18- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 95.1th percentile (score 0.093, as of
2026-09-16) - NVD CVSS v3.1
- 7.8 (HIGH)
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-34486
CISA short description
Microsoft Windows Event Tracing contains an unspecified vulnerability which can allow for privilege escalation.
Required action
Apply updates per vendor instructions.
NVD description
Windows Event Tracing Elevation of Privilege Vulnerability