CVE-2023-32439: Apple Multiple Products WebKit Type Confusion Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2023-06-23. EPSS: 24% chance of exploitation in the next 30 days.

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted 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 15.7.7 (fixed in 15.7.7); from 16.0, before 16.5.1 (fixed in 16.5.1)
• Apple iPhone OS: before 15.7.7 (fixed in 15.7.7); from 16.0, before 16.5.1 (fixed in 16.5.1)
• Apple macOS: from 13.0, before 13.4.1 (fixed in 13.4.1)
• Apple Safari: before 16.5.1 (fixed in 16.5.1)
• WebKitGTK Webkitgtk+: before 2.42.3 (fixed in 2.42.3)

Published 2023-06-23. Last modified 2026-06-17.