CVE-2026-11640 Integer overflow in Chrome

High 8.3 Published Updated

A remote attacker with compromised renderer access can escape the sandbox via integer overflow in libyuv, requiring a browser upgrade.

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-2026-11640?

CVE-2026-11640 is a high-severity vulnerability in Google Chrome, published on 8 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

Integer overflow in libyuv in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Weakness: CWE-472

Which versions are affected by CVE-2026-11640?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11640?

Upgrade to a fixed version.

Is CVE-2026-11640 being exploited?

There is no known exploitation of CVE-2026-11640 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11640, ECHO-4898-c2bc-3b81, GHSA-p626-pw8w-29p4, MINI-7374-5m8g-m49x.

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