CVE-2016-1773: Apple Mac OS X

Low severity, CVSS 3.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The code-signing subsystem in Apple OS X before 10.11.4 does not properly verify file ownership, which allows local users to determine the existence of arbitrary files via unspecified vectors.

Affected products

• Apple Mac OS X: up to and including 10.11.3

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