Vulnerability · Published Oct 20, 2026 · Assigned by Chrome

CVE-2026-113326

Medium 6.5

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 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.4%top 64.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper input validation in Core in Google Chrome on on Windows prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium156.0.8078.47-1~deb12u1DEBIAN-CVE-2026-113326
Debian:13chromium156.0.8078.47-1~deb13u1DEBIAN-CVE-2026-113326
Debian:14chromium156.0.8078.47-1DEBIAN-CVE-2026-113326

Affected products (as reported)

VendorProductVersions
Google Chrome 156.0.8078.47 – before 156.0.8078.47

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

References