CVE-2026-11227 Security feature bypass in Chrome

Medium 6.5 Published Updated

Remote attackers can spoof domains via crafted names in Chrome Tab Hover Cards, bypassing security UI protections.

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-2026-11227?

CVE-2026-11227 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

Incorrect security UI in Tab Hover Cards in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to perform domain spoofing via a crafted domain name. (Chromium security severity: Low)

Weakness: CWE-451

Which versions are affected by CVE-2026-11227?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11227?

Upgrade to a fixed version.

Is CVE-2026-11227 being exploited?

There is no known exploitation of CVE-2026-11227 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11227, ECHO-532a-ad1d-c58a, GHSA-2jrr-2q54-q6ww, MINI-j3f3-g38m-mxhp.

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