CVE-2017-7146: Apple iPhone OS

Medium severity, CVSS 5.3. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11 is affected. The issue involves the "Security" component. It allows attackers to track users across installs via a crafted app that leverages Keychain data mishandling.

Affected products

• Apple iPhone OS: up to and including 10.3.3

Published 2017-10-23. Last modified 2026-06-17.