CVE-2018-4296: Apple Mac OS X

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

This issue is fixed in macOS Mojave 10.14. A permissions issue existed in DiskArbitration. This was addressed with additional ownership checks.

Affected products

• Apple Mac OS X: version 10.14 only

Published 2020-10-27. Last modified 2026-06-17.