CVE-2017-13784: Apple iCloud

High severity, CVSS 8.8. EPSS: 5.8% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11.1 is affected. Safari before 11.0.1 is affected. iCloud before 7.1 on Windows is affected. iTunes before 12.7.1 on Windows is affected. tvOS before 11.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.

Affected products

• Apple iCloud: before 7.1 (fixed in 7.1)
• Apple iPhone OS: before 11.1 (fixed in 11.1)
• Apple iTunes: before 12.7.1 (fixed in 12.7.1)
• Apple Safari: before 11.0.1 (fixed in 11.0.1)
• Apple tvOS: before 11.1 (fixed in 11.1)
• Apple Webkit: affected versions not specified

Published 2017-11-13. Last modified 2026-06-17.