CVE-2016-4617: Apple Mac OS X

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. macOS before 10.12 is affected. The issue involves a sandbox escape related to launchctl process spawning in the "libxpc" component.

Affected products

• Apple Mac OS X: up to and including 10.11.6

Published 2017-02-20. Last modified 2026-06-17.