CVE-2023-37450: Apple Multiple Products WebKit Code Execution Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2023-07-13. EPSS: 19% chance of exploitation in the next 30 days.

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Affected products

• Apple iPadOS: before 16.6 (fixed in 16.6)
• Apple iPhone OS: before 16.6 (fixed in 16.6)
• Apple macOS: from 13.0, before 13.5 (fixed in 13.5)
• Apple Safari: before 16.5.2 (fixed in 16.5.2)
• Apple tvOS: before 16.6 (fixed in 16.6)
• Apple watchOS: before 9.6 (fixed in 9.6)
• WebKitGTK Webkitgtk+: before 2.42.3 (fixed in 2.42.3)

Published 2023-07-27. Last modified 2026-06-17.