CVE-2026-106234 Use after free in Chrome

Critical 9.6 Published Updated

A remote attacker can execute arbitrary code outside the sandbox via a crafted Chrome extension due to a use-after-free vulnerability in the network component.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-106234?

CVE-2026-106234 is a critical use after free vulnerability in Google Chrome, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Use after free in Network in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Low)

Weakness: CWE-416

Which versions are affected by CVE-2026-106234?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106234?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-106234 being exploited?

There is no known exploitation of CVE-2026-106234 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106234, ECHO-51ef-210b-f934, GHSA-hj3x-ccv9-94m4, MINI-x4hx-c9q3-fc5r.

Is CVE-2026-106234 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free