What is CVE-2024-27888?

CVE-2024-27888 is a medium-severity vulnerability in Apple macOS, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2024-07-29.

How severe is CVE-2024-27888?

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

Vulnerability in Apple macOS

CVE-2024-27888

A permissions issue was addressed by removing vulnerable code and adding additional checks. This issue is fixed in macOS Sonoma 14.4. 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:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% 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)

References

support.apple.com/en-us/120895
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-27888?: CVE-2024-27888 is a medium-severity vulnerability in Apple macOS, classified under Incorrect Default Permissions. CVSS score: 5.5/10. Published 2024-07-29.
How severe is CVE-2024-27888?: Medium severity. CVSS v3 base score is 5.5 out of 10.