CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2026-126154 fortinet fortimail: Out-of-bounds Write
High (7.5) in fortinet fortimail. EPSS 0.5% estimated probability of exploitation activity in the next 30 days.
A out-of-bounds write vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow a remote unauthenticated attacker to cause a denial of service via a specially crafted HTTP request.
Severity
- EPSS
- 0.5% estimated probability of exploitation activity in the next 30 days; 43rd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-787 Out-of-bounds Write
- Published
- Modified
- Assigned by
- fortinet (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Fortinet FortiMail | from 8.0.0 through 8.0.1 |
| Fortinet FortiMail | from 7.6.0 through 7.6.6 |
| Fortinet FortiMail | from 7.4.0 through 7.4.8 |
| Fortinet FortiMail | from 7.2.0 through 7.2.9 |