CVE-2026-106382 and is rated Critical severity with a CVSS score of 9.6. 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 16, 2026
Release Notes
Vendor-listed releases
155.0.4283.45
CISA KEVNot listedBased on the latest collected catalog
EPSS0.4%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors1Source-linked actor relationships
Overview
What is CVE-2026-106382?
Use after free in Chromecast in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)