CVE-2015-3782: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.5% chance of exploitation in the next 30 days.

CloudKit in Apple iOS before 8.4.1 and OS X before 10.10.5 allows attackers to access an iCloud user record associated with a previous user's login session via a crafted app.

Affected products

• Apple iPhone OS: up to and including 8.4
• Apple Mac OS X: up to and including 10.10.4

Published 2015-08-16. Last modified 2026-06-17.