CVE-2019-8703: Apple iPhone OS

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

This issue was addressed with improved entitlements. This issue is fixed in watchOS 6, tvOS 13, macOS Catalina 10.15, iOS 13. An application may be able to gain elevated 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: up to and including 13.0
• Apple watchOS: before 6.0 (fixed in 6.0)

Published 2021-12-23. Last modified 2026-06-17.