CVE-2017-2421: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the "AppleGraphicsPowerManagement" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

Affected products

• Apple Mac OS X: up to and including 10.12.3

Published 2017-04-02. Last modified 2026-06-17.