CVE-2019-8533: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A lock handling issue was addressed with improved lock handling. This issue is fixed in macOS Mojave 10.14.4. A Mac may not lock when disconnecting from an external monitor.

Affected products

• Apple Mac OS X: before 10.14.4 (fixed in 10.14.4)

Published 2019-12-18. Last modified 2026-06-17.