CVE-2026-87551: Google Google Chrome vulnerability

Q: Which Chrome versions need to be remediated?

Google Chrome versions prior to 153.0.8010.36 are affected. Updating to 153.0.8010.36 or later addresses the issue.

Q: What would an attacker need to exploit this issue?

The attacker is remote and must leverage social engineering and crafted network traffic. The issue could allow bypass of the web origin policy through improper certificate validation in CORS.

Published Sep 9, 2026

Updated

Improper certificate validation in CORS in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via crafted network traffic. (Chromium security severity: Low)

Affected Software

1 affected component

Google Google Chrome<153.0.8010.36

Event History

Sep 9, 2026

CVE Published

via MITRE·12:10 AM

Data Sourced

via MITRE·12:10 AM

DescriptionWeakness

Frequently Asked Questions

Which Chrome versions need to be remediated?

Google Chrome versions prior to 153.0.8010.36 are affected. Updating to 153.0.8010.36 or later addresses the issue.

What would an attacker need to exploit this issue?

The attacker is remote and must leverage social engineering and crafted network traffic. The issue could allow bypass of the web origin policy through improper certificate validation in CORS.