Published Nov 10, 2025Sources checked Oct 21, 2026
8.8HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2025-12727 and is rated High severity with a CVSS score of 8.8. 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 12, 2026
Release Notes
Vendor-listed releases
142.0.3595.65
142.0.3595.66
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-2025-12727?
Inappropriate implementation in V8 in Google Chrome prior to 142.0.7444.137 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)