CVE-2026-95343 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 exploiting a use-after-free in WebAudio.

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-2026-95343?

CVE-2026-95343 is a high-severity use after free vulnerability in Google Chrome, published on 29 Sep 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 WebAudio in Google Chrome prior to 154.0.8037.57 allowed a remote attacker 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-2026-95343?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-95343?

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-2026-95343 being exploited?

There is no known exploitation of CVE-2026-95343 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-95343, ECHO-20e1-2b0c-1e2f, GHSA-92v4-hwqp-jjvv, MINI-5crj-m987-c4pc.

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