CVE-2026-87541: Infoleak

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

The attacker must already have compromised the Chrome renderer process. The issue is then triggered through a crafted HTML page to bypass site isolation.

Q: Are users on the affected Chrome version exposed by default?

The issue affects Google Chrome versions prior to 153.0.8010.36. Exploitation additionally depends on a renderer-process compromise; the provided information does not indicate that simply visiting a page is sufficient on its own.

Q: What is the immediate remediation?

Update Google Chrome to version 153.0.8010.36 or later.

Published Sep 9, 2026

Updated

Information leak in Navigation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (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

What level of access does an attacker need to exploit this issue?

The attacker must already have compromised the Chrome renderer process. The issue is then triggered through a crafted HTML page to bypass site isolation.

Are users on the affected Chrome version exposed by default?

The issue affects Google Chrome versions prior to 153.0.8010.36. Exploitation additionally depends on a renderer-process compromise; the provided information does not indicate that simply visiting a page is sufficient on its own.

What is the immediate remediation?

Update Google Chrome to version 153.0.8010.36 or later.