CVE-2026-87611: Google Chrome vulnerability

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

The attacker must already have compromised the Chrome renderer process. The described technique then uses a crafted HTML page to obtain cross-origin data.

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 stated affected version range.

Q: What data could be exposed after exploitation?

A compromised renderer process could obtain cross-origin data. The available information does not identify specific cross-origin sites, data types, or user actions required.

Published Sep 9, 2026

Updated

Missing authorization in FileSystem 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 capability does an attacker need before this issue can be exploited?

The attacker must already have compromised the Chrome renderer process. The described technique then uses a crafted HTML page to obtain cross-origin data.

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 stated affected version range.

What data could be exposed after exploitation?

A compromised renderer process could obtain cross-origin data. The available information does not identify specific cross-origin sites, data types, or user actions required.