CVE-2026-106345 Use after free in Chrome

Medium 4.2 Published Updated

A remote attacker with compromised renderer access can spoof UI elements in Google Chrome via a crafted HTML page due to use-after-free.

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-2026-106345?

CVE-2026-106345 is a medium-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 of released resource in Session in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-672

Which versions are affected by CVE-2026-106345?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106345?

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-2026-106345 being exploited?

There is no known exploitation of CVE-2026-106345 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106345, ECHO-5a35-1849-0044, GHSA-9rjj-4c64-h8fp, MINI-wxjp-5wjj-r83c.

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