CVE-2026-87469: Input Validation

Q: Which Chrome versions need to be updated?

Google Chrome versions prior to 153.0.8010.36 are affected. Update to 153.0.8010.36 or a later version.

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

The issue can be exploited remotely using crafted network traffic. The available information does not state that local access, user authentication, or installation of a malicious extension is required.

Q: What is the potential impact of successful exploitation?

A successful attacker could bypass the web origin policy and reach a privileged page. The issue is in Chrome Extensions and is rated Low severity by Chromium.

Published Sep 9, 2026

Updated

Improper input validation in Extensions in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to bypass web origin policy into a privileged page via crafted network traffic. (Chromium security severity: Low)

Affected Software

1 affected component

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 updated?

Google Chrome versions prior to 153.0.8010.36 are affected. Update to 153.0.8010.36 or a later version.

What does an attacker need to exploit this issue?

The issue can be exploited remotely using crafted network traffic. The available information does not state that local access, user authentication, or installation of a malicious extension is required.

What is the potential impact of successful exploitation?

A successful attacker could bypass the web origin policy and reach a privileged page. The issue is in Chrome Extensions and is rated Low severity by Chromium.