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High · 7.8 Known exploited CVE-2021-30883 EUVD-2021-17800

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey …

Published Aug 24, 2021 · Updated Oct 21, 2025 · Assigned by apple

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15.0.2 and iPadOS 15.0.2, macOS Monterey 12.0.1, iOS 14.8.1 and iPadOS 14.8.1, tvOS 15.1, watchOS 8.1, macOS Big Sur 11.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Affected products

VendorProductAffectedFixed
Apple iOS and iPadOS unspecified – < 15.0, unspecified – < 14.8 15.0
Apple macOS unspecified – < 12.0, unspecified – < 11.6, unspecified – < 8.1, unspecified – < 15.1 12.0

References