Vulnerability · Published Oct 20, 2026 · Assigned by Chrome

CVE-2026-113195

High 8.8

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 0.4% (higher than 31% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 68.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper input validation in Downloads in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium156.0.8078.47-1~deb12u1DEBIAN-CVE-2026-113195
Debian:13chromium156.0.8078.47-1~deb13u1DEBIAN-CVE-2026-113195
Debian:14chromium156.0.8078.47-1DEBIAN-CVE-2026-113195

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:H/A:H

References