CVE-2026-126256
A NVD · · CVE-2026-126256
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- CVSS
- 7.4
- EPSS
- 0%
Key insight
The alert essentially provides only the CVE description; there is no indication of active exploitation, a public PoC, or specific attacker TTPs.
Description
CVE-2026-126256 is an out-of-bounds read vulnerability in Fortinet FortiOS. Affected are FortiOS 8.0.0 through 8.0.1, FortiOS 7.6.0 through 7.6.7, and all versions of FortiOS 7.4, 7.2, and 7.0. A remote privileged attacker may be able to execute arbitrary code or commands via crafted packets. The alert does not contain information on active exploitation, KEV inclusion, or a public proof of concept.
Risk score
- cvss base
- 74.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 74.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational