Published Sep 29, 2026Sources checked Nov 11, 2026
8.0HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2026-95344 and is rated High severity with a CVSS score of 8.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Oct 27, 2026
Release Notes
Vendor-listed releases
154.0.4258.37
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-95344?
Race condition in DevTools in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)