CVE-2026-87573: Input Validation

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

The attacker needs to get a victim to load a crafted HTML page. The issue is exploitable remotely and can bypass the web origin policy.

Q: Which Chrome versions are affected?

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

Published Sep 9, 2026

Updated

Improper input validation in Network in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

Affected Software

1 affected component

Google 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

What does an attacker need to exploit this issue?

The attacker needs to get a victim to load a crafted HTML page. The issue is exploitable remotely and can bypass the web origin policy.

Which Chrome versions are affected?

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