CVE-2020-9949: Apple iPadOS

High severity, CVSS 7.8. EPSS: 1.5% chance of exploitation in the next 30 days.

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra, tvOS 14.0. An application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple iPadOS: before 14.0 (fixed in 14.0)
• Apple iPhone OS: before 14.0 (fixed in 14.0)
• Apple Mac OS X: before 10.15.6 (fixed in 10.15.6); from 11.0.0, before 11.0.1 (fixed in 11.0.1)
• Apple tvOS: before 14.0 (fixed in 14.0)
• Apple watchOS: before 7.0 (fixed in 7.0)

Published 2020-12-08. Last modified 2026-06-17.