CVE-2022-42827: Apple iOS and iPadOS Out-of-Bounds Write Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2022-10-25. EPSS: 1.1% chance of exploitation in the next 30 days.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Affected products

• Apple iPadOS: before 15.7.1 (fixed in 15.7.1)
• Apple iPhone OS: before 15.7.1 (fixed in 15.7.1); from 16.0, before 16.1 (fixed in 16.1)

Published 2022-11-01. Last modified 2026-06-17.