High severity7.8NVD Advisory· Published Oct 19, 2021· Updated Jun 17, 2026

CVE-2021-30827

Description

A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A local attacker may be able to elevate their privileges.

AI Insight

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

Affected products

Apple Inc./macOS Catalinallm-fuzzy
Apple Inc./macOS Big Surllm-fuzzy
Range: <11.6
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212804nvdRelease NotesVendor Advisory
support.apple.com/en-us/HT212805nvdRelease NotesVendor Advisory

News mentions

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