CVE-2021-30864

Severity: high (CVSS 8.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-24 · updated 2026-06-17

Description

A logic issue was addressed with improved state management. This issue is fixed in macOS Monterey 12.0.1. A sandboxed process may be able to circumvent sandbox restrictions.

Affected products

Apple macOS: before 11.6; 12.0.0 — fixed in 11.6

How to fix

Upgrade to a fixed version: Apple macOS 11.6. Check the vendor advisory for mitigations.

References

https://support.apple.com/en-us/HT212869
https://support.apple.com/kb/HT212804
https://support.apple.com/en-us/HT212869
https://support.apple.com/kb/HT212804

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