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CVE intelligence

CVE-2026-87590

Vulnerability intelligence

Published Sep 9, 2026Sources checked Sep 27, 2026
5.9MEDIUMCVSS out of 10
What this means

Review the available evidence

CVE-2026-87590 and is rated Medium severity with a CVSS score of 5.9. 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-2026-87590?

Improper input validation in Passwords in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially leak sensitive information via crafted network traffic. (Chromium security severity: Medium)