What is CVE-2026-7966?

CVE-2026-7966 is a low-severity vulnerability in Apple Macos, classified under Improper Input Validation. CVSS score: 3.1/10. Published 2026-05-06.

How severe is CVE-2026-7966?

Low severity. CVSS v3 base score is 3.1 out of 10.

Improper input validation in Apple Macos

CVE-2026-7966

Insufficient validation of untrusted input in SiteIsolation in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security sev…

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

EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2026-7966?: CVE-2026-7966 is a low-severity vulnerability in Apple Macos, classified under Improper Input Validation. CVSS score: 3.1/10. Published 2026-05-06.
How severe is CVE-2026-7966?: Low severity. CVSS v3 base score is 3.1 out of 10.