CVE-2026-87587: Use After Free

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

An attacker needs to cause a user to process a crafted HTML page. The reported impact is arbitrary code execution inside the Chrome sandbox.

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 affected version range described here.

Q: Is exploitation described as escaping the Chrome sandbox?

No. The available information states that arbitrary code execution occurs inside the sandbox; it does not state that the vulnerability provides a sandbox escape.

Published Sep 9, 2026

Updated

Use after free in V8 in Google Chrome prior to 153.0.8010.36 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 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 does an attacker need to exploit this issue?

An attacker needs to cause a user to process a crafted HTML page. The reported impact is arbitrary code execution inside the Chrome sandbox.

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 affected version range described here.

Is exploitation described as escaping the Chrome sandbox?

No. The available information states that arbitrary code execution occurs inside the sandbox; it does not state that the vulnerability provides a sandbox escape.