CVE-2016-1844: Apple Mac OS X

Medium severity, CVSS 5.3. EPSS: 1.9% chance of exploitation in the next 30 days.

The Messages component in Apple OS X before 10.11.5 mishandles roster changes, which allows remote attackers to modify contact lists via unspecified vectors.

Affected products

• Apple Mac OS X: up to and including 10.11.4

Published 2016-05-20. Last modified 2026-06-17.