CVE-2019-8709: Apple iPhone OS

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved state management. This issue is fixed in macOS Catalina 10.15, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iOS 13. An application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPhone OS: before 13.0 (fixed in 13.0)
• Apple Mac OS X: before 10.15 (fixed in 10.15)
• Apple tvOS: before 13 (fixed in 13)
• Apple watchOS: before 6.0 (fixed in 6.0)

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