CVE-2026-11247 Information disclosure in Chrome

Low 3.1 Published Updated

A remote attacker can leak cross-origin data via a crafted HTML page due to insufficient policy enforcement in CustomTabs on Android.

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-2026-11247?

CVE-2026-11247 is a low-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 CustomTabs in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-693

Which versions are affected by CVE-2026-11247?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11247?

Upgrade to a fixed version.

Is CVE-2026-11247 being exploited?

There is no known exploitation of CVE-2026-11247 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11247, ECHO-31d5-8357-d831, GHSA-rrv6-h93v-3p5p, MINI-8r76-8r2m-q8w9.

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