Vulnerability · Published Mar 20, 2026 · Assigned by Chrome

CVE-2026-4440

High 8.8

In plain English

A high-severity out-of-bounds read 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 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.3%top 72.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Out of bounds read and write in WebGL in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: Critical)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium146.0.7680.153-1~deb12u1DEBIAN-CVE-2026-4440
Debian:12chromium146.0.7680.153-1~deb12u1DSA-6171-1
Debian:13chromium146.0.7680.153-1~deb13u1DEBIAN-CVE-2026-4440
Debian:13chromium146.0.7680.153-1~deb13u1DSA-6171-1
Debian:14chromium146.0.7680.153-1DEBIAN-CVE-2026-4440

Affected products (as reported)

VendorProductVersions
Google Chrome 146.0.7680.153 – before 146.0.7680.153

Weakness: CWE-125, CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References