CVE-2022-42856: Apple iOS Type Confusion Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-12-14. EPSS: 8.5% chance of exploitation in the next 30 days.

A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. 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 against versions of iOS released before iOS 15.1..

Affected products

  • Apple iPadOS: before 15.7.2 (fixed in 15.7.2)
  • Apple iPhone OS: before 15.7.2 (fixed in 15.7.2); from 16.0, before 16.1.2 (fixed in 16.1.2)
  • Apple macOS: before 13.1 (fixed in 13.1)
  • Apple Safari: before 16.2 (fixed in 16.2)
  • Apple tvOS: before 16.2 (fixed in 16.2)

Published 2022-12-15. Last modified 2026-06-17.