CVE-2019-8639: Apple iCloud

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 5.2, iCloud for Windows 7.11, iOS 12.2, iTunes 12.9.4 for Windows, Safari 12.1. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products

• Apple iCloud: before 7.11 (fixed in 7.11)
• Apple iPhone OS: before 12.2 (fixed in 12.2)
• Apple iTunes: before 12.9.4 (fixed in 12.9.4)
• Apple Safari: before 12.1 (fixed in 12.1)
• Apple watchOS: before 5.2 (fixed in 5.2)

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