CVE-2018-4096: Apple Tv

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in certain Apple products. iOS before 11.2.5 is affected. macOS before 10.13.3 is affected. Safari before 11.0.3 is affected. iCloud before 7.3 on Windows is affected. iTunes before 12.7.3 on Windows is affected. tvOS before 11.2.5 is affected. watchOS before 4.2.2 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 Apple Tv: before 11.2.5 (fixed in 11.2.5)
• Apple iCloud: before 7.3 (fixed in 7.3)
• Apple iPhone OS: before 11.2.5 (fixed in 11.2.5)
• Apple iTunes: before 12.7.3 (fixed in 12.7.3)
• Apple Mac OS X: before 10.13.3 (fixed in 10.13.3)
• Apple Safari: before 11.0.3 (fixed in 11.0.3)
• Apple watchOS: before 4.2.2 (fixed in 4.2.2)
• Canonical Ubuntu Linux: version 16.04 only; version 17.10 only

Published 2018-04-03. Last modified 2026-06-17.