CVE-2016-4598: Apple Mac OS X

Critical severity, CVSS 9.8. EPSS: 3.1% chance of exploitation in the next 30 days.

QuickTime in Apple OS X before 10.11.6 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted image.

Affected products

• Apple Mac OS X: up to and including 10.11.5

Published 2016-07-22. Last modified 2026-06-17.