CVE Catalog

Actively exploited in the wild

Microsoft Windows Event Tracing Privilege Escalation Vulnerability

Microsoft - Windows · Listed in the CISA KEV since 2022-03-28. This indicates confirmed attacks in production environments.

Required action: Apply updates per vendor instructions.

CVE-2021-34486

HighCVSS 7.8KEV
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
7.43%

94th percentile - higher than 94% of all known CVEs

Summary

An elevation of privilege vulnerability in Windows Event Tracing.

Risk Assessment

An attacker could exploit this to gain elevated privileges, potentially allowing manipulation of event logs or privilege escalation.

Recommendation

Apply the security update released by Microsoft.

Original NVD description (English source)

Windows Event Tracing Elevation of Privilege Vulnerability

Vulnerability data from NVD (NIST) · CISA KEV · EPSS