CVE-2026-39808

Fortinet — Fortinet FortiSandbox OS Command Injection Vulnerability

CISA KEV · in the CISA KEV catalog since 2026-07-16

What EVULNABLE says

EVULNABLE Risk · priority 89/100 Immediate Intelligence coverage 75/90 — no pre-patch disclosure data
ExigentOverdue by 46 daysCISA KEVActively Exploited

Why it matters: Listed in the CISA KEV catalog, and an EPSS probability of 0.928.

Out-of-Band / Urgent Remediation

The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.

The evidence behind it

Published measurements for CVE-2026-39808
MeasureValueSource
CVSS base score 9.8 NVD
FIRST EPSS 0.928 (99.82nd pctl) FIRST
Actively exploited Confirmed CISA KEV
Ransomware campaign use Unknown or none CISA KEV
CISA remediation deadline 2026-07-19 — Overdue by 46 days CISA KEV
Intelligence coverage 75/90 — no pre-patch disclosure data

What CISA says to do

This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.