AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-26334

CRITICAL · CVSS 9.9 EPSS 1.17% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-01 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.9. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-26334
Severity
CRITICAL
CVSS
9.9
EPSS
1.17%

Original NVD Description

The AMDPowerProfiler.sys driver of AMD μProf tool may allow lower privileged users to access MSRs in kernel which may lead to privilege escalation and ring-0 code execution by the lower privileged user.

Related CVEs

Other vulnerabilities affecting the same vendor(s)