CVE-2026-35616

CVE Enrichment

CVSS: 9.8 CRITICAL
EPSS: 9.10%
EPSS Percentile: 95.20%
CISA KEV: YES — Known Exploited Vulnerability

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.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: psirt@fortinet.com
Published: 04-Apr-2026 08:16
Last Modified: 25-Jul-2026 04:10
EPSS Date: 2026-10-10
CWE: CWE-284

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2026-04-06
Remediation Due: 2026-04-09
Known Ransomware Campaign Use: Unknown
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

Affected Products / Versions

fortinet / forticlientems
Version / affected range: 7.4.5
cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*
fortinet / forticlientems
Version / affected range: 7.4.6
cpe:2.3:a:fortinet:forticlientems:7.4.6:*:*:*:*:*:*:*

References

Last enrichment sync: 11-Oct-2026 12:21
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

Insikt Group created Nuclei templates to detect two of the vulnerabilities featured in this month’s report: CVE-2026-35616 affecting Fortinet FortiClient EMS and CVE-2026-25939 affecting Frangoteam FUXA. Recorded Future Reported 59 High-Impact Vulnerabilities in June, 56 Actively Exploited
environment in the Energy, Utilities & Waste industry. Further investigation revealed exploitation of CVE-2026-35616, an improper access control vulnerability affecting Fortinet EMS versions 7.4.5 through 7.4.6. This EKZ Stealer Exploits Fortinet EMS Vulnerability and Uses Obfuscated Control Flow

CVE (55)

Malware (7)

Threat Actors (6)

MITRE ATT&CK (6)

Vendors (26)

Products (63)

Tools (3)

Industries (3)

Countries (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.