CVE-2026-85043 and is rated Critical severity with a CVSS score of 9.1. 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: Sep 11, 2026
Release Notes
Vendor-listed releases
152.0.4191.66
CISA KEVNot listedBased on the latest collected catalog
EPSS0.4%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-85043?
Incomplete cleanup in Network in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to bypass system access restrictions via crafted network traffic. (Chromium security severity: High)