Vulnerability · Published Jun 4, 2026 · Assigned by Chrome

CVE-2026-11157

Medium 5.4

In plain English

A medium-severity code injection 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 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.1%top 98.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Script injection in Accessibility in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to inject arbitrary scripts or HTML (UXSS) via a crafted Chrome Extension. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium149.0.7827.53-1~deb12u1DEBIAN-CVE-2026-11157
Debian:13chromium149.0.7827.53-1~deb13u1DEBIAN-CVE-2026-11157
Debian:14chromium149.0.7827.53-1DEBIAN-CVE-2026-11157

Affected products (as reported)

VendorProductVersions
Google Chrome 149.0.7827.53 – before 149.0.7827.53

Weakness: CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References