VULNERABILITY INTELLIGENCE

CVE-2021-1818

CVSS score9.8 CRITICAL

EPSS probability2.96%

CISA KEVNot currently listed

Published2021-04-02

Last modified2026-06-17

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.