CVE-2019-8851: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

A logic issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15.2, Security Update 2019-002 Mojave, and Security Update 2019-007 High Sierra. A Mac may not lock immediately upon wake.

Affected products

• Apple Mac OS X: before 10.15.2 (fixed in 10.15.2)

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