CVE-2026-91749: Use After Free

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

The attacker needs to induce a user to load a crafted HTML page. The issue is remotely exploitable and can potentially lead to arbitrary code execution outside the Chrome sandbox.

Q: Which Chrome versions need to be updated?

Google Chrome versions prior to 153.0.8010.47 are affected. Update Chrome to 153.0.8010.47 or a later version.

Q: Are users exposed under normal browsing conditions?

A user may be exposed when visiting attacker-controlled or otherwise crafted web content. No special local access or installed extension is described in the available information.

Published Sep 15, 2026

Updated

Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected Software

1 affected component

Google 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 does an attacker need to exploit this issue?

The attacker needs to induce a user to load a crafted HTML page. The issue is remotely exploitable and can potentially lead to arbitrary code execution outside the Chrome sandbox.

Which Chrome versions need to be updated?

Google Chrome versions prior to 153.0.8010.47 are affected. Update Chrome to 153.0.8010.47 or a later version.

Are users exposed under normal browsing conditions?

A user may be exposed when visiting attacker-controlled or otherwise crafted web content. No special local access or installed extension is described in the available information.