Auth bypass in Apple macOS

CVE-2024-40843

The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15. An app may be able to modify protected parts of the file system.

Vulnerability class: Broken Access Control

Published · last modified .

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 (9.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-40843: held from 0.002 to 0.002.

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

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-40843?
CVE-2024-40843 is a medium-severity vulnerability in Apple macOS, classified under Incorrect Authorization. CVSS score: 5.5/10. Published 2024-09-17.
How severe is CVE-2024-40843?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-40843 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.