VULNERABILITY INTELLIGENCE

CVE-2020-28921

CVSS score8.8 HIGH
EPSS probability0.66%
CISA KEVNot currently listed
Published2020-11-27
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Description

An issue was discovered in Devid Espenschied PC Analyser through 4.10. The PCADRVX64.SYS kernel driver exposes IOCTL functionality that allows low-privilege users to read and write to arbitrary Model Specific Registers (MSRs). This could lead to arbitrary Ring-0 code execution and escalation of privileges.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references