CVE-2016-4771: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

The kernel in Apple iOS before 10 and OS X before 10.12 allows local users to bypass intended file-access restrictions via a crafted directory pathname.

Affected products

• Apple iPhone OS: up to and including 9.3.5
• Apple Mac OS X: up to and including 10.11.6

Published 2016-09-25. Last modified 2026-06-17.