CVE-2018-4314: Apple iCloud

High severity, CVSS 8.8. EPSS: 10.3% chance of exploitation in the next 30 days.

A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Affected products

• Apple iCloud: before 7.7 (fixed in 7.7)
• Apple iPhone OS: before 12.0 (fixed in 12.0)
• Apple iTunes: before 12.9 (fixed in 12.9)
• Apple Safari: before 12 (fixed in 12)
• Apple tvOS: before 12 (fixed in 12)

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