Fortinet FortiClient EMS known exploited vulnerabilities
We track 3 CVEs in Fortinet FortiClient EMS. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2024–2026). CISA flags 1 of them as used in ransomware campaigns. The most recent is CVE-2026-21643, added to KEV on .
- CVEs tracked
- 3
- On CISA KEV
- 3
- Ransomware use
- 1
- Rated critical
- 3
Every Fortinet FortiClient EMS CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2026-21643 Fortinet FortiClient EMS SQL Injection Vulnerability | [ CRITICAL ] | 9.8 | 93.9% | ||
| CVE-2026-35616 Fortinet FortiClient EMS Improper Access Control Vulnerability | [ CRITICAL ] | 9.8 | 94.0% | ||
| CVE-2023-48788 Fortinet FortiClient EMS SQL Injection Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 98.4% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/fortinet.json.
Other Fortinet products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.