CVE-2015-5836: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

Apple Online Store Kit in Apple OS X before 10.11 improperly validates iCloud keychain item ACLs, which allows attackers to obtain access to keychain items via a crafted app.

Affected products

• Apple Mac OS X: up to and including 10.10.5

Published 2015-10-09. Last modified 2026-06-17.