What is CVE-2024-27837?

CVE-2024-27837 is a low-severity vulnerability in Apple macOS, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 3.3/10. Published 2024-05-14.

How severe is CVE-2024-27837?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Apple macOS

CVE-2024-27837

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Sonoma 14.5. A local attacker may gain access to Keychain items.

Published 2024-05-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (6.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.5% 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-280 — Improper Handling of Insufficient Permissions or Privileges

References

support.apple.com/en-us/120903
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-27837?: CVE-2024-27837 is a low-severity vulnerability in Apple macOS, classified under Improper Handling of Insufficient Permissions or Privileges. CVSS score: 3.3/10. Published 2024-05-14.
How severe is CVE-2024-27837?: Low severity. CVSS v3 base score is 3.3 out of 10.