What is CVE-2026-0628?

CVE-2026-0628 is a high-severity vulnerability in Google Chrome, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-01-07.

How severe is CVE-2026-0628?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Google Chrome

CVE-2026-0628

Insufficient policy enforcement in WebView tag in Google Chrome prior to 143.0.7499.192 allowed an attacker who convinced a user to install a malicious extension to inject scripts or HTML into a privileged page via a crafted Chrome Extension. (Chromium security severity: High)

Vulnerability class: Broken Access Control

EPSS: 0.065 (93.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Chrome — versions 143.0.7499.192

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2026-0628?: CVE-2026-0628 is a high-severity vulnerability in Google Chrome, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-01-07.
How severe is CVE-2026-0628?: High severity. CVSS v3 base score is 8.8 out of 10.