CVE-2026-35616

CRITICAL CISA KEV

CVSS v3

9.8

CRITICAL

EPSS Score

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
4/6/2026
Patch Due Date
4/9/2026
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.

Technical Details

CVSS v3 Vector
3.1
Published
4/4/2026
Last Modified
4/6/2026

Frequently Asked Questions

What is CVE-2026-35616?

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.

Is CVE-2026-35616 actively exploited?

Yes. CVE-2026-35616 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 4/9/2026.

What is the CVSS score for CVE-2026-35616?

CVE-2026-35616 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.

Is CVE-2026-35616 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

CVE-2026-35616 Vulnerability — CVSS 9.8, CRITICAL Severity | isMalicious