CVE-2018-4183: Apple Mac OS X

High severity, CVSS 8.2. EPSS: 0.4% chance of exploitation in the next 30 days.

In macOS High Sierra before 10.13.5, an access issue was addressed with additional sandbox restrictions.

Affected products

• Apple Mac OS X: before 10.13.5 (fixed in 10.13.5)

Published 2019-01-11. Last modified 2026-06-17.