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

CVE-2021-30774

Description

A logic issue was addressed with improved validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7. A malicious application may be able to gain root privileges.

AI Insight

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

Affected products

Apple Inc./macOS Big Surllm-fuzzy
Range: <11.5
Apple Inc./tvOSllm-fuzzy
Range: <14.7
Apple Inc./watchOSllm-fuzzy
Range: <7.6
Apple Inc./iOSllm-fuzzy2 versions
<14.7+ 1 more
- (no CPE)range: <14.7
- (no CPE)range: unspecified
Apple Inc./macOSv5
Range: unspecified

Patches

Vulnerability mechanics

References

support.apple.com/en-us/HT212601nvdRelease NotesVendor Advisory
support.apple.com/en-us/HT212602nvdRelease NotesVendor Advisory
support.apple.com/en-us/HT212604nvdRelease NotesVendor Advisory
support.apple.com/en-us/HT212605nvdRelease NotesVendor Advisory
support.apple.com/kb/HT212600nvdVendor Advisory

News mentions

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cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000