ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-35616

Fortinet FortiClient EMS Improper Access Control Vulnerability

Published Apr 3, 2026 · catalog updated Jul 24, 2026 · Fortinet FortiClient EMS

Patch now

CVE-2026-35616 is in the CISA known-exploited catalog, due Apr 9, 2026. Confirm Fortinet FortiClient EMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
9.10%
Remediation
Remediation guidance
Affected products
cpe fortinet/forticlientems · vendor Fortinet FortiClient EMS

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe fortinet/forticlientems7.4.5
  • cpe fortinet/forticlientems7.4.6
  • vendor Fortinet FortiClient EMSversion unspecified

How to fix CVE-2026-35616

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-35616 is in the CISA known-exploited catalog, due Apr 9, 2026. Confirm Fortinet FortiClient EMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with 7.4.5, 7.4.6. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 9.10%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Fortinet security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 3, 2026 · Catalog

    Detected

    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.

  2. Apr 6, 2026 · CISA KEV

    Known exploited

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

  3. Apr 9, 2026 · CISA KEV

    Remediation due

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

  4. Jul 24, 2026 · Catalog

    Updated

    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.

  5. Jul 24, 2026 · NIST NVD

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2026-35616

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2026-35616

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-35616

    30-day exploitation probability 9.1%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-35616

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.