CVE-2018-4433: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A configuration issue was addressed with additional restrictions. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, watchOS 5, iOS 12, tvOS 12, macOS Mojave 10.14. A malicious application may be able to modify protected parts of the file system.

Affected products

• Apple iPhone OS: before 12.0 (fixed in 12.0)
• Apple Mac OS X: before 10.14.4 (fixed in 10.14.4); before 10.14 (fixed in 10.14)
• Apple tvOS: before 12.0 (fixed in 12.0)
• Apple watchOS: before 5.0 (fixed in 5.0)

Published 2020-10-27. Last modified 2026-06-17.