What is CVE-2023-42918?

CVE-2023-42918 is a medium-severity vulnerability in Apple macOS, classified under Protection Mechanism Failure. CVSS score: 6.3/10. Published 2024-07-29.

How severe is CVE-2023-42918?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Apple macOS

CVE-2023-42918

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Sonoma 14. A sandboxed process may be able to circumvent sandbox restrictions.

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

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% 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 unspecified

Weakness classification (CWE)

CWE-693 — Protection Mechanism Failure

References

support.apple.com/en-us/HT213940 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-42918?: CVE-2023-42918 is a medium-severity vulnerability in Apple macOS, classified under Protection Mechanism Failure. CVSS score: 6.3/10. Published 2024-07-29.
How severe is CVE-2023-42918?: Medium severity. CVSS v3 base score is 6.3 out of 10.