VULNERABILITY INTELLIGENCE

CVE-2021-26334

CVSS score9.9 CRITICAL
EPSS probability1.21%
CISA KEVNot currently listed
Published2021-12-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

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.

Weakness classification

  • psirt@amd.com: CWE-284
  • nvd@nist.gov: NVD-CWE-Other

Primary references