What is CVE-2026-13791?

CVE-2026-13791 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-06-30.

How severe is CVE-2026-13791?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Apple macOS

CVE-2026-13791

Insufficient validation of untrusted input in Downloads in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: High)

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

EPSS: 0.004 (28.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chrome-cve-admin@google.com (Release Notes)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-13791?: CVE-2026-13791 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-06-30.
How severe is CVE-2026-13791?: High severity. CVSS v3 base score is 8.1 out of 10.