CVE-2026-106310 Use after free in Chrome

Medium 6.5 Published Updated

A use-after-free in FontAccess allows a compromised renderer to bypass web origin policy via a crafted HTML page.

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-2026-106310?

CVE-2026-106310 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 FontAccess in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-672

Which versions are affected by CVE-2026-106310?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-106310?

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-2026-106310 being exploited?

There is no known exploitation of CVE-2026-106310 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-106310, ECHO-a882-7691-30f1, GHSA-q7h6-4hpf-74w3, MINI-6fq2-769p-4rmp.

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