CVE-2014-4388: Apple iPhone OS

High severity, CVSS 7.8. EPSS: 1.7% chance of exploitation in the next 30 days.

IOKit in Apple iOS before 8 and Apple TV before 7 does not properly validate IODataQueue object metadata, which allows attackers to execute arbitrary code in a privileged context via an application that provides crafted values in unspecified metadata fields, a different vulnerability than CVE-2014-4418.

Affected products

• Apple iPhone OS: up to and including 7.1.2; version 7.0 only; version 7.0.1 only; version 7.0.2 only; version 7.0.3 only; version 7.0.4 only; …
• Apple Mac OS X: up to and including 10.9.5
• Apple tvOS: up to and including 6.2; version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 6.1 only; version 6.1.1 only; …

Published 2014-09-18. Last modified 2026-06-17.