What is CVE-2025-13634?

CVE-2025-13634 is a medium-severity vulnerability in Apple macOS, classified under Authentication Bypass by Spoofing. CVSS score: 4.4/10. Published 2025-12-02.

How severe is CVE-2025-13634?

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

Vulnerability in Apple macOS

CVE-2025-13634

Inappropriate implementation in Downloads in Google Chrome on Windows prior to 143.0.7499.41 allowed a local attacker to bypass mark of the web via a crafted HTML page. (Chromium security severity: Medium)

EPSS: 0.001 (3.9th percentile) — read the EPSS interpretation.

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.

Affected products

Apple Macos
Google Chrome — versions 143.0.7499.41
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

chrome-cve-admin@google.com (Release Notes, Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required, Issue Tracking)

Frequently asked questions

What is CVE-2025-13634?: CVE-2025-13634 is a medium-severity vulnerability in Apple macOS, classified under Authentication Bypass by Spoofing. CVSS score: 4.4/10. Published 2025-12-02.
How severe is CVE-2025-13634?: Medium severity. CVSS v3 base score is 4.4 out of 10.