Vulnerability · Published May 20, 2026 · Assigned by Chrome

CVE-2026-9119

High 8.8

In plain English

A high-severity heap buffer overflow 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 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 54.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Heap buffer overflow in WebRTC in Google Chrome on prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24qt6-qtwebengine6.11.1-r2ALPINE-CVE-2026-9119
Debian:12chromium148.0.7778.178-1~deb12u1DEBIAN-CVE-2026-9119
Debian:13chromium148.0.7778.178-1~deb13u1DEBIAN-CVE-2026-9119
Debian:14chromium148.0.7778.178-1DEBIAN-CVE-2026-9119

Affected products (as reported)

VendorProductVersions
Google Chrome 148.0.7778.179 – before 148.0.7778.179

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References