Vulnerability · Published Jun 4, 2026 · Assigned by Chrome

CVE-2026-11233

Medium 4.7

In plain English

A medium-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 0.2% (higher than 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.2%top 92.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient policy enforcement in FoldableAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to bypass same origin policy via a crafted HTML page. (Chromium security severity: Low)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium149.0.7827.53-1~deb12u1DEBIAN-CVE-2026-11233
Debian:13chromium149.0.7827.53-1~deb13u1DEBIAN-CVE-2026-11233
Debian:14chromium149.0.7827.53-1DEBIAN-CVE-2026-11233

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:L/I:N/A:N

References