CVE-2019-7240

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

An issue was discovered in WinRing0x64.sys in Moo0 System Monitor 1.83. The vulnerable driver exposes a wrmsr instruction via IOCTL 0x9C402088 and does not properly filter the Model Specific Register (MSR). Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-665

Affected software

No affected versions have been published.

Timeline

Published: Mar 25, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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