CVE-2026-91718: Use After Free

Q: Who is exposed to this vulnerability?

Users of Google Chrome versions earlier than 153.0.8010.47 are affected when they visit a crafted HTML page. The issue can allow code execution outside Chrome's sandbox.

Q: What does an attacker need to exploit it?

The attacker needs to cause a target to load a crafted HTML page. The provided information does not indicate that authentication, local access, or user-installed extensions are required.

Q: How can I remediate the issue?

Update Google Chrome to version 153.0.8010.47 or later. The vulnerability affects versions prior to that release.

Published Sep 15, 2026

Updated

Use after free in Core in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code outside 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

Who is exposed to this vulnerability?

Users of Google Chrome versions earlier than 153.0.8010.47 are affected when they visit a crafted HTML page. The issue can allow code execution outside Chrome's sandbox.

What does an attacker need to exploit it?

The attacker needs to cause a target to load a crafted HTML page. The provided information does not indicate that authentication, local access, or user-installed extensions are required.

How can I remediate the issue?

Update Google Chrome to version 153.0.8010.47 or later. The vulnerability affects versions prior to that release.