CVE WatchJul 24, 2026

CVE-2026-35616

Fortinet FortiClient EMS Improper Access Control Vulnerability

CVSS

9.8

Critical

EPSS

90.7%

p100

KEV

YES

Apr 6, 2026

Exploit Today

0-100

Published: Apr 4, 2026 · Last modified: Jul 24, 2026 · CWE-284

EPSS · 30d

88.9%EPSS · 30 days90.7%

2026-08-022026-08-30

KEV catalog record

Product

Fortinet / FortiClient EMS

Vulnerability

Fortinet FortiClient EMS Improper Access Control Vulnerability

Added to KEV

Apr 6, 2026

Remediate by

Apr 9, 2026

Known ransomware use

Summary description

Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

Please adhere to Fortinet's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet accessible Fortinet products affected by this vulnerability. Apply any final mitigations provided by the vendor as soon as they become available. For more information please see: https://fortiguard.fortinet.com/psirt/FG-IR-26-099 ; https://nvd.nist.gov/vuln/detail/CVE-2026-35616

Technical description

A improper access control vulnerability in Fortinet FortiClientEMS 7.4.5 through 7.4.6 may allow an unauthenticated attacker to execute unauthorized code or commands via crafted requests.

Official references

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