CVE-2026-87453: Google Chrome vulnerability

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

The attacker must already have compromised the Chrome renderer process. The described information leak is then triggered through a crafted HTML page.

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 described.

Q: Are users exposed merely by visiting a malicious page?

The available information does not describe exploitation from a malicious page alone. It specifically requires a compromised renderer process, with a crafted HTML page used to leak sensitive information.

Published Sep 9, 2026

Updated

Confused deputy in BackgroundFetch in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to leak sensitive information 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 access does an attacker need to exploit this issue?

The attacker must already have compromised the Chrome renderer process. The described information leak is then triggered through a crafted HTML page.

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 described.

Are users exposed merely by visiting a malicious page?

The available information does not describe exploitation from a malicious page alone. It specifically requires a compromised renderer process, with a crafted HTML page used to leak sensitive information.