CVE-2026-35616
Fortinet FortiClient EMS: Improper Access Control
As of , CVE-2026-35616 in Fortinet FortiClient EMS is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 6 April 2026
- US federal deadline
- 9 April 20263 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.09Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: fortiguard.fortinet.comLinks below, from CISA's entry.
What CISA says 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.
CISA's required action
- fortiguard.fortinet.comPlease adhere to Fortinet's guidelines to assess exposure and mitigate risks. Check for signs of potential compromise on all internet…
What the flaw is
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's 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.
The CVE record's description, from fortinet
- CVE published
- 4 April 2026
- Assigned by
- fortinet
- CVSS
- 9.1 Critical (CVSS 3.1, from the CNA)
- CWE-284
- Improper Access Control
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
FortiClient EMS: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2023-48788SQL Injection | Fortinet FortiClient EMS | Patch this weekRansomware use; Metasploit module; EPSS 0.98 | 0.98 | ||
| CVE-2026-21643SQL Injection | Fortinet FortiClient EMS | Patch this weekEPSS 0.94 | 0.94 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org