CVE-2026-11665 Information disclosure in Chrome

Medium 4.3 Published Updated

A remote attacker can leak cross-origin data via a crafted HTML page due to an out-of-bounds read in Chrome's Dawn component.

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-2026-11665?

CVE-2026-11665 is a medium-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

Out of bounds read in Dawn in Google Chrome on Windows prior to 149.0.7827.103 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Weakness: CWE-125

Which versions are affected by CVE-2026-11665?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11665?

Upgrade to a fixed version.

Is CVE-2026-11665 being exploited?

There is no known exploitation of CVE-2026-11665 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11665, ECHO-61fc-991d-6f9f, GHSA-5mhg-rh4j-h587, MINI-xh84-cjgx-rp4m.

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