Vulnerability · Published Apr 28, 2026 · Assigned by Chrome

CVE-2026-7338

High 7.5

In plain English

A high-severity use-after-free 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 0.2% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.2%top 95.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Use after free in Cast in Google Chrome prior to 147.0.7727.138 allowed an attacker on the local network segment to potentially exploit heap corruption via malicious network traffic. (Chromium security severity: High)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium147.0.7727.137-1~deb12u1DEBIAN-CVE-2026-7338
Debian:13chromium147.0.7727.137-1~deb13u1DEBIAN-CVE-2026-7338
Debian:14chromium147.0.7727.137-1DEBIAN-CVE-2026-7338

Affected products (as reported)

VendorProductVersions
Google Chrome 147.0.7727.138 – before 147.0.7727.138

Weakness: CWE-416 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References