CVE-2026-87639: Use After Free

Q: What must an attacker achieve before this vulnerability can be exploited?

The attacker must first compromise the Chrome renderer process. The issue can then be triggered with a crafted HTML page to potentially execute code outside Chrome's sandbox.

Q: Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.36 are affected. The provided information does not identify affected operating systems or channels beyond Chrome desktop release information.

Q: Does visiting a crafted page alone exploit this issue?

The provided description states that the renderer process must already be compromised. It does not establish that merely visiting a crafted HTML page is sufficient on its own.

Published Sep 9, 2026

Updated

Use after free in WebPackaging in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

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 must an attacker achieve before this vulnerability can be exploited?

The attacker must first compromise the Chrome renderer process. The issue can then be triggered with a crafted HTML page to potentially execute code outside Chrome's sandbox.

Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.36 are affected. The provided information does not identify affected operating systems or channels beyond Chrome desktop release information.

Does visiting a crafted page alone exploit this issue?

The provided description states that the renderer process must already be compromised. It does not establish that merely visiting a crafted HTML page is sufficient on its own.