CVE-2026-91730: Google Chrome vulnerability

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

The attacker must first compromise the Chrome renderer process and then use social engineering to get the user to interact with a crafted HTML page. The issue is not described as exploitable by a crafted page alone.

Q: What could exploitation expose?

A successful attacker could obtain cross-origin data. The provided information does not identify particular data types or affected sites.

Q: Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.47 are affected. Updating to 153.0.8010.47 or a later version addresses the affected version range described.

Published Sep 15, 2026

Updated

Incomplete cleanup in GetUserMedia in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Affected Software

1 affected component

Google Chrome<153.0.8010.47

Event History

Sep 15, 2026

CVE Published

via MITRE·08:41 PM

Data Sourced

via MITRE·08:41 PM

DescriptionWeakness

Frequently Asked Questions

What access does an attacker need to exploit this issue?

The attacker must first compromise the Chrome renderer process and then use social engineering to get the user to interact with a crafted HTML page. The issue is not described as exploitable by a crafted page alone.

What could exploitation expose?

A successful attacker could obtain cross-origin data. The provided information does not identify particular data types or affected sites.

Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.47 are affected. Updating to 153.0.8010.47 or a later version addresses the affected version range described.