Critical severity9.8NVD Advisory· Published Sep 8, 2021· Updated Jun 17, 2026

CVE-2021-1829

Description

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.3. An application may be able to execute arbitrary code with kernel privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS Big Surllm-fuzzy
Range: <11.3
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212325nvdRelease NotesVendor Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000