CVE-2018-4293: Apple iCloud

Medium severity, CVSS 5.3. EPSS: 1.3% chance of exploitation in the next 30 days.

A cookie management issue was addressed with improved checks. This issue affected versions prior to iOS 11.4.1, macOS High Sierra 10.13.6, tvOS 11.4.1, watchOS 4.3.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

Affected products

• Apple iCloud: before 7.6 (fixed in 7.6)
• Apple iPhone OS: before 11.4.1 (fixed in 11.4.1)
• Apple iTunes: before 12.8 (fixed in 12.8)
• Apple Mac OS X: before 10.13.6 (fixed in 10.13.6)
• Apple tvOS: before 11.4.1 (fixed in 11.4.1)
• Apple watchOS: before 4.3.2 (fixed in 4.3.2)

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