Vulnerability · Published Jun 4, 2026 · Assigned by Chrome

CVE-2026-11241

High 8.0

In plain English

A high-severity improper input validation in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.1%top 98.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium149.0.7827.53-1~deb12u1DEBIAN-CVE-2026-11241
Debian:13chromium149.0.7827.53-1~deb13u1DEBIAN-CVE-2026-11241
Debian:14chromium149.0.7827.53-1DEBIAN-CVE-2026-11241

Affected products (as reported)

VendorProductVersions
Google Chrome 149.0.7827.53 – before 149.0.7827.53

Weakness: CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References