What is CVE-2024-27853?

CVE-2024-27853 is a medium-severity vulnerability in Apple macOS, classified under Authentication Bypass by Spoofing. CVSS score: 4.4/10. Published 2024-07-29.

How severe is CVE-2024-27853?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Apple macOS

CVE-2024-27853

This issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.4. A maliciously crafted ZIP archive may bypass Gatekeeper checks.

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

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.6% 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-290 — Authentication Bypass by Spoofing

References

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

Frequently asked questions

What is CVE-2024-27853?: CVE-2024-27853 is a medium-severity vulnerability in Apple macOS, classified under Authentication Bypass by Spoofing. CVSS score: 4.4/10. Published 2024-07-29.
How severe is CVE-2024-27853?: Medium severity. CVSS v3 base score is 4.4 out of 10.