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CVE-2026-35616

Fortinet — Fortinet FortiClient EMS Improper Access Control Vulnerability

Fortinet · in CISA KEV since 2026-04-06

ExigentCISA federal deadline · Overdue by 6 monthsCISA KEVActively Exploited
88

EVRS 88 of 100 Immediate

Out-of-Band / Urgent Remediation

Rank 183 of 2,954 tracked

Why it scores 88

Evidence available: 6 of 7 signals

Listed in the CISA KEV catalog, and an EPSS probability of 0.940.

  • CISA KEVApplied
  • RansomwareDid not apply
  • Vendor exploitationDid not apply
  • EPSSApplied
  • Microsoft Exploitability IndexNot applicable
  • Pre-patch disclosureNo data
  • KEV recencyDid not apply
  • CVSSApplied

The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data

Fix

No fixed version identified yet

CISA required action

Evidence

Each value with its source
MeasureValueSource
CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. 9.8 NVD
FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. 0.940 (99.85th pctl) FIRST EPSS
Actively exploitedWhether a source of record has confirmed attacks using it in the wild. Confirmed CISA KEV
Ransomware campaign useWhether CISA has seen ransomware operators use it. Unknown or none CISA KEV
CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. 2026-04-09 · CISA federal deadline · Overdue by 6 months CISA KEV

Description

What CISA says to do