CVE intelligence

CVE-2026-9951

Vulnerability intelligence

Published May 28, 2026Sources checked Sep 27, 2026

8.3HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-9951 and is rated High severity with a CVSS score of 8.3. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-9951?

Use after free in UI in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)