CVE-2021-30916: Apple Ipad OS

High severity, CVSS 7.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple Ipad OS: before 14.8.1 (fixed in 14.8.1)
• Apple iPadOS: version 15.0 only
• Apple iPhone OS: before 14.8.1 (fixed in 14.8.1); version 15.0 only
• Apple Mac OS X: before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: from 11.0, before 11.6.1 (fixed in 11.6.1); version 12.0 only
• Apple tvOS: before 15.2 (fixed in 15.2)
• Apple watchOS: before 8.3 (fixed in 8.3)

Published 2021-08-24. Last modified 2026-06-17.