CVE-2019-8509: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

This issue was addressed by removing the vulnerable code. This issue is fixed in macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, macOS Catalina 10.15. A malicious application may be able to elevate privileges.

Affected products

• Apple Mac OS X: from 10.13.6, before 10.15.1 (fixed in 10.15.1)

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