CVE-2026-126256
What it is
A out-of-bounds read vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiOS 7.0 all versions may allow a remote privileged attacker to execute arbitrary code or command via crafted paquets.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data tampering, service disruption.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: not scored yet.
- Severity: 7.4 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Received
Affected
- Fortinet FortiOS ≤ 8.0.1
- Fortinet FortiOS ≤ 7.6.7
- Fortinet FortiOS ≤ 7.4.13
Attack profile CVSS 3.1 · 7.4
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-126256.md and follow it. Check whether this project is affected by CVE-2026-126256. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
