CVE-2026-87436: Google Chrome vulnerability

Q: Which Chrome installations are affected?

Google Chrome versions prior to 153.0.8010.36 are affected.

Q: What does exploitation require from an attacker?

The attacker must use social engineering and a crafted Chrome extension. The issue can then be used to bypass the web origin policy.

Published Sep 9, 2026

Updated

Incomplete cleanup in Browser in Google Chrome prior to 153.0.8010.36 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted Chrome extension. (Chromium security severity: Medium)

Affected Software

1 affected component

Google Chrome<153.0.8010.36

Event History

Sep 9, 2026

CVE Published

via MITRE·12:09 AM

Data Sourced

via MITRE·12:09 AM

DescriptionWeakness

Frequently Asked Questions

Which Chrome installations are affected?

Google Chrome versions prior to 153.0.8010.36 are affected.

What does exploitation require from an attacker?

The attacker must use social engineering and a crafted Chrome extension. The issue can then be used to bypass the web origin policy.