CVE-2018-4239: Apple iPhone OS

Medium severity, CVSS 4.6. EPSS: 0.3% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11.4 is affected. The issue involves the "Magnifier" component. It allows physically proximate attackers to bypass the lock-screen protection mechanism and see the most recent Magnifier image.

Affected products

• Apple iPhone OS: before 11.4 (fixed in 11.4)

Published 2018-06-08. Last modified 2026-06-17.