CVE-2026-11142 Security feature bypass in Chrome

Medium 6.5 Published Updated

A remote attacker can bypass same-origin policy in Google Chrome via a crafted HTML page, requiring users to update the browser.

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-2026-11142?

CVE-2026-11142 is a medium-severity 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

Insufficient policy enforcement in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to bypass same origin policy via a crafted HTML page. (Chromium security severity: Medium)

Weakness: CWE-639

Which versions are affected by CVE-2026-11142?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11142?

Upgrade to a fixed version.

Is CVE-2026-11142 being exploited?

There is no known exploitation of CVE-2026-11142 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11142, ECHO-9bb3-0ddf-9d34, GHSA-g3jm-h647-x2wg, MINI-xf3x-qmhw-w4fr.

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