CVE-2026-106346 Code injection in Chrome

High 8.8 Published Updated

Remote attackers can execute arbitrary code inside the sandbox via a crafted HTML page due to improper state validation in DevTools.

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-2026-106346?

CVE-2026-106346 is a high-severity code injection 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

Improper state validation in DevTools in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-754

Which versions are affected by CVE-2026-106346?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106346?

Upgrade to a fixed version.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-106346 being exploited?

There is no known exploitation of CVE-2026-106346 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106346, ECHO-9f29-fd9e-590e, GHSA-m8p2-8mpp-wqqr, MINI-mchg-9229-gqhr.

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