Auth bypass in Google Chrome

CVE-2026-14156

Insufficient policy enforcement in StorageAccessAPI in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

Vulnerability class: Broken Access Control

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14156?
CVE-2026-14156 is a medium-severity vulnerability in Google Chrome, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-06-30.
How severe is CVE-2026-14156?
Medium severity. CVSS v3 base score is 6.5 out of 10.