Vulnerability · Published Apr 8, 2026 · Assigned by Chrome

CVE-2026-5884

High 8.8

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 23% 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 77.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient validation of untrusted input in Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.23qt6-qtwebengine6.10.3-r1ALPINE-CVE-2026-5884
Alpine:v3.24qt6-qtwebengine6.11.0-r3ALPINE-CVE-2026-5884
Debian:12chromium147.0.7727.55-1~deb12u1DEBIAN-CVE-2026-5884
Debian:13chromium147.0.7727.55-1~deb13u1DEBIAN-CVE-2026-5884
Debian:14chromium147.0.7727.55-1DEBIAN-CVE-2026-5884

Affected products (as reported)

VendorProductVersions
Google Chrome 147.0.7727.55 – before 147.0.7727.55

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

References