Vulnerability · Published Jul 30, 2026 · Assigned by Chrome

CVE-2026-17948

High 7.5

In plain English

A high-severity type confusion 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 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 81.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Type Confusion in V8 in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium151.0.7922.71-1~deb12u1DEBIAN-CVE-2026-17948
Debian:13chromium151.0.7922.71-1~deb13u1DEBIAN-CVE-2026-17948
Debian:14chromium151.0.7922.71-1DEBIAN-CVE-2026-17948

Affected products (as reported)

VendorProductVersions
Google Chrome 151.0.7922.72 – before 151.0.7922.72

Weakness: CWE-843 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References