Called exploited 1 days before disclosure.
Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.
The life of this vulnerability
- CVE published
- First KEV listing1d
- Last KEV listing1d
- Last sighting2.5y
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federallisted Feb 9, 2024
- EUVDENISA, European Unionlisted Feb 9, 2024
- VulnCheck KEVcommercial researchlisted Feb 8, 2024
- CIRCLaggregator, mirrors the abovelisted Feb 9, 2024, not counted
3 catalogues list it. CIRCL aggregates the others and is shown but not counted.
Public exploitation evidence
- reported exploitationwww.group-ib.com/blog/ransomware-2026-rules/
- reported exploitationinsights.nccgroup.com/l/898251/2026-07-20/31nm9cf/898251/178
- reported exploitationwww.hkcert.org/blog/strikeshark-campaign-exploits-known-vuln
- reported exploitationblog.qualys.com/vulnerabilities-threat-research/2026/07/08/f
- reported exploitationsecurelist.com/strikeshark-campaign/120326/
- reported exploitationwww.cloudsek.com/blog/operation-escaneo-mexican-government-f
72 public reports collected from VulnCheck and CIRCL, first on Feb 8, 2024. Each links to its original source. We have not verified them.
Description
Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

