What’s Vulnerable › Vulnerabilities

CVE-2019-8784

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-12-18 · updated 2026-06-17
• Weakness: CWE-787

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. An application may be able to execute arbitrary code with system privileges.

Affected products

• Apple iCloud for Windows: before 7.15; from 10.0 before 10.8 — fixed in 10.8, 7.15
• Apple iPadOS: before 13.2 — fixed in 13.2
• Apple Iphone Os: before 13.2 — fixed in 13.2
• Apple iTunes for Windows: before 12.10.2 — fixed in 12.10.2
• macOS: before 10.15.1 — fixed in 10.15.1

How to fix

Upgrade to a fixed version: Apple iCloud for Windows 10.8, 7.15; Apple iPadOS 13.2; Apple Iphone Os 13.2; Apple iTunes for Windows 12.10.2; macOS 10.15.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/HT210721
• https://support.apple.com/HT210722
• https://support.apple.com/HT210726
• https://support.apple.com/HT210727
• https://support.apple.com/HT210728
• https://support.apple.com/HT210721
• https://support.apple.com/HT210722
• https://support.apple.com/HT210726
• https://support.apple.com/HT210727
• https://support.apple.com/HT210728

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