Published Sep 22, 2026Sources checked Oct 27, 2026
9.6CRITICALCVSS out of 10
What this means
Review the available evidence
CVE-2026-84388 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.
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-2026-84388?
A improper restriction of rendered ui layers or frames vulnerability in Fortinet FortiPAM Chrome Extension 8.0 all versions, FortiPAM Chrome Extension 7.4 all versions may allow attacker to information disclosure via remote unauthenticated attack