CVE-2019-8716: Apple Mac OS X

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006. An application may be able to execute arbitrary code with system privileges.

Affected products

• Apple Mac OS X: before 10.15.1 (fixed in 10.15.1)

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