Auth bypass in Google Chrome

CVE-2026-87537

Missing authorization in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Medium)

Vulnerability class: Broken Access Control

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)

References

Frequently asked questions

What is CVE-2026-87537?
CVE-2026-87537 is a high-severity vulnerability in Google Chrome, classified under Missing Authorization. CVSS score: 8.1/10. Published 2026-09-09.
How severe is CVE-2026-87537?
High severity. CVSS v3 base score is 8.1 out of 10.