CVE-2026-106278 Use after free in Chrome

High 8.8 Published Updated

A remote attacker can execute arbitrary code inside the sandbox via a crafted HTML page due to a use-after-free flaw in Google Chrome.

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-2026-106278?

CVE-2026-106278 is a high-severity 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 Select in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-416

Which versions are affected by CVE-2026-106278?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106278?

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-2026-106278 being exploited?

There is no known exploitation of CVE-2026-106278 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106278, ECHO-b8b8-c345-ce37, GHSA-7xx9-9mfc-w8p4, MINI-8wgh-ww29-gxfg.

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