Vulnerability · Published Jun 30, 2026 · Assigned by Chrome

CVE-2026-13791

High 8.1

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 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 71.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient validation of untrusted input in Downloads in Google Chrome prior to 150.0.7871.47 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: High)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium150.0.7871.46-1~deb12u1DEBIAN-CVE-2026-13791
Debian:13chromium150.0.7871.46-1~deb13u1DEBIAN-CVE-2026-13791
Debian:14chromium150.0.7871.46-1DEBIAN-CVE-2026-13791

Affected products (as reported)

VendorProductVersions
Google Chrome 150.0.7871.47 – before 150.0.7871.47

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

References