CVE-2026-87451: Infoleak

Q: What does an attacker need before this issue can be exploited?

The attacker must first compromise the Chrome renderer process. The disclosed issue then allows cross-origin data access through a crafted HTML page.

Q: Which Chrome installations need to be updated?

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

Published Sep 9, 2026

Updated

Information leak in Downloads in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to obtain cross-origin data 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 before this issue can be exploited?

The attacker must first compromise the Chrome renderer process. The disclosed issue then allows cross-origin data access through a crafted HTML page.

Which Chrome installations need to be updated?

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