CVE-2023-27970: Apple iPadOS

High severity, CVSS 7.8. EPSS: 0.2% 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 16.4 and iPadOS 16.4. An app may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPadOS: before 16.4 (fixed in 16.4)
• Apple iPhone OS: before 16.4 (fixed in 16.4)

Published 2023-05-08. Last modified 2026-06-17.