CVE-2016-4764: Apple iPhone OS

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 10 is affected. Safari before 10 is affected. iTunes before 12.5.1 is affected. tvOS before 10 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Affected products

• Apple iPhone OS: up to and including 9.3.5
• Apple iTunes: up to and including 12.5
• Apple Safari: up to and including 9.1.3
• Apple tvOS: up to and including 9.2.2

Published 2017-02-20. Last modified 2026-06-17.