CVE-2026-35616: Fortinet FortiClientEMS · Escalation of Privilege
Affects Fortinet FortiClientEMSSource CVE Database V5
Exploited in the wild · KEV due 9 Apr 2026 · public exploit available · 93% EPSS · patch available : patch Fortinet FortiClientEMS now.
Data as of 30 Oct 2026, 06:59 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 93.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 4 Apr 2026
Detectable: evidence found.
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 2 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Fortinet, Inc.
, 49 minutes before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 22 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 2 days after disclosure
KEV remediation due
US federal deadline
, 5 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FortinetFortiClientEMS | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:fortinet:forticlientems:7.4.6:*:*:*:*:*:*:*cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*
Check the firmware or software version for Fortinet FortiClientEMS in the device's admin interface against the vendor advisory.
Description
CVE-2026-35616 is a critical improper access control vulnerability in Fortinet FortiClientEMS versions 7.4.5 through 7.4.6. It allows an unauthenticated attacker to execute unauthorized code or commands via crafted requests. This vulnerability has a high CVSS score of 9.1 and is known to be exploited in the wild. An official fix is available to remediate this issue.