CVE-2016-1770: Apple Mac OS X

Medium severity, CVSS 6.5. EPSS: 1.2% chance of exploitation in the next 30 days.

The Reminders component in Apple OS X before 10.11.4 allows attackers to bypass an intended user-confirmation requirement and trigger a dialing action via a tel: URL.

Affected products

• Apple Mac OS X: up to and including 10.11.3

Published 2016-03-24. Last modified 2026-06-17.