CVE-2026-35616

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Summary

CVECVE-2026-35616
StatePUBLISHED
Assignerfortinet
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-04 01:16:39 UTC
Updated2026-04-06 18:12:57 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.432090000 probability, percentile 0.975310000 (date 2026-05-12)

CISA KEV: Listed on 2026-04-06; due 2026-04-09; ransomware use Unknown

Problem Types: CWE-284 | CWE-284 Escalation of privilege

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CISA Known Exploited Vulnerability

VendorFortinet
ProductFortiClient EMS
NameFortinet FortiClient EMS Improper Access Control Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
NotesPlease 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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Fortinet Forticlientems 7.4.5 All All All
Application Fortinet Forticlientems 7.4.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortinet FortiClientEMS affected 7.4.5 7.4.6 semver Not specified

References

ReferenceSourceLinkTags
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
fortiguard.fortinet.com/psirt/FG-IR-26-099 [email protected] fortiguard.fortinet.com Vendor Advisory, Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2026-04-06T00:00:00.000ZCVE-2026-35616 added to CISA KEV

Solutions

CNA: Upgrade to upcoming FortiClientEMS version 7.4.7 or above Upgrade to upcoming FortiClientEMS version 7.2.11 or above

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