CVE-2026-118330: Use After Free

Q: Which systems are affected?

The issue affects Google Chrome on Windows before version 156.0.8078.73. The provided information does not identify impact on other operating systems.

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

An attacker needs to induce the user to process a crafted HTML page remotely. Successful exploitation allows arbitrary code execution inside Chrome's sandbox.

Q: Does exploitation escape the browser sandbox?

The described impact is arbitrary code execution inside the sandbox. The provided information does not state that the vulnerability enables a sandbox escape or operating-system-level code execution.

Q: How can I determine whether a system needs remediation?

Check the installed Google Chrome version on Windows. Versions prior to 156.0.8078.73 are affected according to the provided advisory.

Published Oct 27, 2026

Updated

Use after free in Browser in Google Chrome on on Windows prior to 156.0.8078.73 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<156.0.8078.73

Event History

Oct 27, 2026

CVE Published

via MITRE·11:03 PM

Data Sourced

via MITRE·11:03 PM

DescriptionWeakness

Data Sourced

via NVD·11:17 PM

DescriptionWeakness

Frequently Asked Questions

Which systems are affected?

The issue affects Google Chrome on Windows before version 156.0.8078.73. The provided information does not identify impact on other operating systems.

What does an attacker need to exploit this vulnerability?

An attacker needs to induce the user to process a crafted HTML page remotely. Successful exploitation allows arbitrary code execution inside Chrome's sandbox.

Does exploitation escape the browser sandbox?

The described impact is arbitrary code execution inside the sandbox. The provided information does not state that the vulnerability enables a sandbox escape or operating-system-level code execution.

How can I determine whether a system needs remediation?

Check the installed Google Chrome version on Windows. Versions prior to 156.0.8078.73 are affected according to the provided advisory.

CVE-2026-118330: Use After Free

Affected Software

Event History

Frequently Asked Questions

Which systems are affected?

What does an attacker need to exploit this vulnerability?

Does exploitation escape the browser sandbox?

How can I determine whether a system needs remediation?

Company

Resources

Contact

Frequently Asked Questions

Which systems are affected?

What does an attacker need to exploit this vulnerability?

Does exploitation escape the browser sandbox?

How can I determine whether a system needs remediation?