What is CVE-2025-43401?

CVE-2025-43401 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-11-04.

How severe is CVE-2025-43401?

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

Improper input validation in Apple macOS

CVE-2025-43401

A denial-of-service issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. A remote attacker may be able to cause a denial-of-service.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (57.2th percentile) — read the EPSS interpretation.

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:N/A:H.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

product-security@apple.com
product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43401?: CVE-2025-43401 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2025-11-04.
How severe is CVE-2025-43401?: High severity. CVSS v3 base score is 7.5 out of 10.