Unrated severityCISA KEVNVD Advisory· Published Aug 24, 2021· Updated Oct 21, 2025
CVE-2021-30883
CVE-2021-30883
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..
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- Range: = 15.0.2
- Range: = 12.0.1
- Range: = 15.0.2
- Range: unspecified
- Range: unspecified
Patches
Vulnerability mechanics
References
6- support.apple.com/en-us/HT212846mitrex_refsource_MISC
- support.apple.com/en-us/HT212868mitrex_refsource_MISC
- support.apple.com/en-us/HT212869mitrex_refsource_MISC
- support.apple.com/en-us/HT212872mitrex_refsource_MISC
- support.apple.com/en-us/HT212874mitrex_refsource_MISC
- support.apple.com/en-us/HT212876mitrex_refsource_MISC
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