CVE-2026-10946 Memory corruption in Chrome

High 7.5 Published Updated

A heap buffer overflow in Chrome's media component allows remote attackers to execute arbitrary code inside the sandbox 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-2026-10946?

CVE-2026-10946 is a high-severity memory corruption vulnerability in Google Chrome, published on 4 Jun 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

Heap buffer overflow in Media in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-122

Which versions are affected by CVE-2026-10946?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-10946?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-10946 being exploited?

There is no known exploitation of CVE-2026-10946 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-10946, ECHO-e956-5395-bb0c, GHSA-7xw6-44mq-f9j5, MINI-w652-8xx6-x2w3.

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