CVE-2021-30923: Apple iPadOS

High severity, CVSS 7.0. EPSS: 0.7% chance of exploitation in the next 30 days.

A race condition was addressed with improved locking. This issue is fixed in macOS Monterey 12.0.1. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPadOS: before 15.1 (fixed in 15.1)
• Apple iPhone OS: before 15.1 (fixed in 15.1)
• Apple macOS: before 12.0.1 (fixed in 12.0.1)

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