CVE-2016-1764: Apple Mac OS X

Medium severity, CVSS 4.3. EPSS: 2.6% chance of exploitation in the next 30 days.

The Content Security Policy (CSP) implementation in Messages in Apple OS X before 10.11.4 allows remote attackers to obtain sensitive information via a javascript: URL.

Affected products

• Apple Mac OS X: up to and including 10.11.3

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