What is CVE-2024-40811?

CVE-2024-40811 is a medium-severity vulnerability in Apple macOS, classified under Improper Preservation of Permissions. CVSS score: 5.5/10. Published 2024-07-29.

How severe is CVE-2024-40811?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple macOS

CVE-2024-40811

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.6. An app may be able to modify protected parts of the file system.

Published 2024-07-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Apple macOS — versions 0

Weakness classification (CWE)

CWE-281 — Improper Preservation of Permissions

References

support.apple.com/en-us/120911
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-40811?: CVE-2024-40811 is a medium-severity vulnerability in Apple macOS, classified under Improper Preservation of Permissions. CVSS score: 5.5/10. Published 2024-07-29.
How severe is CVE-2024-40811?: Medium severity. CVSS v3 base score is 5.5 out of 10.