CVE-2026-87531: Infoleak

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

The attacker must already have compromised the Chrome renderer process and then use a crafted HTML page to obtain cross-origin data. The provided information does not describe exploitation by an unauthenticated web page alone.

Q: Which Chrome versions need to be updated?

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

Q: What data could be exposed?

A compromised renderer process could obtain cross-origin data through the CORS information leak. The provided information does not identify specific affected cross-origin resources or data types.

Published Sep 9, 2026

Updated

Information leak in CORS 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 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 and then use a crafted HTML page to obtain cross-origin data. The provided information does not describe exploitation by an unauthenticated web page alone.

Which Chrome versions need to be updated?

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

What data could be exposed?

A compromised renderer process could obtain cross-origin data through the CORS information leak. The provided information does not identify specific affected cross-origin resources or data types.