CVE-2026-87571: Google Google Chrome vulnerability

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

The attacker must deliver crafted network traffic and rely on social engineering. The issue could then be used to bypass the web origin policy.

Q: Which Chrome versions are affected?

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

Published Sep 9, 2026

Updated

Improper certificate validation in Loader 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

What does an attacker need to exploit this issue?

The attacker must deliver crafted network traffic and rely on social engineering. The issue could then be used to bypass the web origin policy.

Which Chrome versions are affected?

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