CVE-2026-91737: Use After Free

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

The attacker needs to cause a user to load a crafted HTML page. Successful exploitation allows arbitrary code execution inside the Chrome sandbox.

Q: Which Chrome versions are affected?

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

Q: Is exploitation confined to the browser sandbox?

Based on the available information, the stated impact is arbitrary code execution inside the sandbox. The data does not establish a sandbox escape or execution on the underlying operating system.

Published Sep 15, 2026

Updated

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

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 cause a user to load a crafted HTML page. Successful exploitation allows arbitrary code execution inside the Chrome sandbox.

Which Chrome versions are affected?

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

Is exploitation confined to the browser sandbox?

Based on the available information, the stated impact is arbitrary code execution inside the sandbox. The data does not establish a sandbox escape or execution on the underlying operating system.