Vulnerability · Published Jun 4, 2026 · Assigned by Chrome

CVE-2026-11120

Critical 9.6

In plain English

A critical-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 0.3% (higher than 18% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.3%top 81.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official description

Insufficient validation of untrusted input in Enterprise Reporting in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium149.0.7827.53-1~deb12u1DEBIAN-CVE-2026-11120
Debian:13chromium149.0.7827.53-1~deb13u1DEBIAN-CVE-2026-11120
Debian:14chromium149.0.7827.53-1DEBIAN-CVE-2026-11120

Affected products (as reported)

VendorProductVersions
Google Chrome 149.0.7827.53 – before 149.0.7827.53

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

References