CVE-2016-4627: Apple iPhone OS

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

IOAcceleratorFamily in Apple iOS before 9.3.3, tvOS before 9.2.2, and watchOS before 2.2.2 allows local users to gain privileges or cause a denial of service (NULL pointer dereference) via unspecified vectors.

Affected products

• Apple iPhone OS: before 9.3.3 (fixed in 9.3.3)
• Apple tvOS: before 9.2.2 (fixed in 9.2.2)
• Apple watchOS: before 2.2.2 (fixed in 2.2.2)

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