What is CVE-2024-40770?

CVE-2024-40770 is a high-severity vulnerability in Apple macOS, classified under Improper Preservation of Permissions. CVSS score: 7.5/10. Published 2024-09-17.

How severe is CVE-2024-40770?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-40770 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Apple macOS

CVE-2024-40770

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sequoia 15. A non-privileged user may be able to modify restricted network settings.

Published 2024-09-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Apple macOS — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

support.apple.com/en-us/121238 (Release Notes, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-40770?: CVE-2024-40770 is a high-severity vulnerability in Apple macOS, classified under Improper Preservation of Permissions. CVSS score: 7.5/10. Published 2024-09-17.
How severe is CVE-2024-40770?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-40770 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.