CVE-2016-4737: Apple iPhone OS

High severity, CVSS 8.8. EPSS: 2.9% chance of exploitation in the next 30 days.

WebKit in Apple iOS before 10, Safari before 10, tvOS before 10, and watchOS before 3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site.

Affected products

• Apple iPhone OS: before 10.0 (fixed in 10.0)
• Apple Safari: before 10.0 (fixed in 10.0)
• Apple tvOS: up to and including 10.0
• Apple watchOS: before 3.0 (fixed in 3.0)

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