CVE-2026-40688

EUVD-2026-22808
An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow a remote privileged attacker to execute arbitrary code or command via crafted HTTP requests.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 33%
Affected Products (NVD)
VendorProductVersion
fortinetfortiweb
7.4.0 ≤
𝑥
< 7.4.12
fortinetfortiweb
7.6.0 ≤
𝑥
< 7.6.7
fortinetfortiweb
8.0.0 ≤
𝑥
< 8.0.4
𝑥
= Vulnerable software versions