CVE-2026-11241 Privilege escalation in Chrome

High 8.0 Published Updated

An attacker on the local network can escalate privileges in Google Chrome via a crafted HTML page due to insufficient input validation in Cast.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2026-11241?

CVE-2026-11241 is a high-severity vulnerability in Google Chrome, published on 4 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Insufficient validation of untrusted input in Cast in Google Chrome prior to 149.0.7827.53 allowed an attacker on the local network segment to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)

Weakness: CWE-20

Which versions are affected by CVE-2026-11241?

It affects 1 product.

Products include Google Chrome.

How do I fix CVE-2026-11241?

Upgrade to a fixed version.

Is CVE-2026-11241 being exploited?

There is no known exploitation of CVE-2026-11241 in the wild and no public exploit code.

All Google Chrome vulnerabilities

Sources

Also known as DEBIAN-CVE-2026-11241, ECHO-95f7-bcf1-42b1, GHSA-h7j5-3779-2jpx, MINI-7m3v-3255-8q9f.

Is CVE-2026-11241 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free