CVE-2019-8528: Apple iPhone OS

Medium severity, CVSS 6.7. EPSS: 0.4% chance of exploitation in the next 30 days.

A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 5.2, macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra, iOS 12.2. An application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPhone OS: before 12.2 (fixed in 12.2)
• Apple Mac OS X: from 10.13.6, before 10.14.4 (fixed in 10.14.4)
• Apple watchOS: before 5.2 (fixed in 5.2)

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