Unrated severityCISA KEVNVD Advisory· Published Oct 19, 2021· Updated Oct 21, 2025
CVE-2021-30807
CVE-2021-30807
Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- Range: 11.5.1
- Range: 14.7.1
- Range: 7.6.1
- Range: 14.7.1
- Range: unspecified
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/HT212622mitrex_refsource_MISC
- support.apple.com/en-us/HT212623mitrex_refsource_MISC
- support.apple.com/en-us/HT212713mitrex_refsource_MISC
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