CVE-2026-11640 Integer overflow in Chrome
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.
Other vulnerabilities in Google Chrome
Sources
Also known as DEBIAN-CVE-2026-11640, ECHO-4898-c2bc-3b81, GHSA-p626-pw8w-29p4, MINI-7374-5m8g-m49x.