CVE-2024-40821

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS...

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.23%Up 0.2 points since Jul 30, 2024

What each source reports

NVD Score used 7.1

Record: CVE-2024-40821
CVSS 3.1: 7.1 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-281
Updated: 2026-11-02

CVE List 8.4

Record: CVE-2024-40821
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-281
Updated: 2026-11-02

EUVDEUVD-2024-38659 8.4

Record: EUVD-2024-38659
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-58wc-r84p-48v4 8.4

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS...

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

Record: GHSA-58wc-r84p-48v4
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-281
Updated: 2026-11-02

Affected products

apple macos

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-40821 is a high vulnerability (CVSS 7.1) in Apple Macos, published July 29, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.

References

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