CVE-2018-4226: Apple iCloud

Medium severity, CVSS 5.5. EPSS: 0.5% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. watchOS before 4.3.1 is affected. The issue involves the "Security" component. It allows local users to bypass intended restrictions on the reading of sensitive user information.

Affected products

• Apple iCloud: before 7.5 (fixed in 7.5)
• Apple iPhone OS: before 11.4 (fixed in 11.4)
• Apple iTunes: before 12.7.5 (fixed in 12.7.5)
• Apple Mac OS X: before 10.13.5 (fixed in 10.13.5)
• Apple watchOS: before 4.3.1 (fixed in 4.3.1)

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