CVE-2026-40688
⚠️ highSummary
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.
CVSS Score
7.2
High
EPSS Score
0.2
Exploit Probability
Published Date
2026-04-14
First Seen: 2026-04-15
📊 Relative Risk Intelligence
This CVE is Moderate Risk - more severe than 55.5% of all 327,350 vulnerabilities in our database.
#145,695
Above average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Apr 15, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
SSVC data provided by
CISA
Last Modified
2026-04-20
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE IDs (Weakness Types)