Vulnerability · Published May 28, 2026 · Assigned by Chrome

CVE-2026-9885

High 8.3

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 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.2%top 86.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Insufficient validation of untrusted input in UI in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.24qt6-qtwebengine6.11.1-r2ALPINE-CVE-2026-9885
Debian:12chromium148.0.7778.215-1~deb12u1DEBIAN-CVE-2026-9885
Debian:13chromium148.0.7778.215-1~deb13u1DEBIAN-CVE-2026-9885
Debian:14chromium148.0.7778.215-1DEBIAN-CVE-2026-9885

Affected products (as reported)

VendorProductVersions
Google Chrome 148.0.7778.216 – before 148.0.7778.216

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

References