CVE-2018-4379: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A lock screen issue allowed access to the share function on a locked device. This issue was addressed by restricting options offered on a locked device. This issue affected versions prior to iOS 12.0.1.

Affected products

• Apple iPhone OS: before 12.0.1 (fixed in 12.0.1)

Published 2019-04-03. Last modified 2026-06-17.