CVE-2021-30903: Apple Ipad OS

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

This issue was addressed with improved checks. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1, macOS Monterey 12.0.1. A local attacker may be able to cause unexpected application termination or arbitrary code execution.

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: from 10.15, before 10.15.7 (fixed in 10.15.7); version 10.15.7 only
• Apple macOS: up to and including 12.0.0
• Apple tvOS: before 15.1 (fixed in 15.1)
• Apple watchOS: before 8.1 (fixed in 8.1)

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