CVE-2026-70465

Published Aug 12, 2026

Last updated a month ago

Overview

Description
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11 may allow an unauthenticated attacker in a position to alter or craft DNS responses to the targeted host to execute arbitrary code via malicious packets.
Source
psirt@fortinet.com
NVD status
Analyzed
Products
forticlient

Risk scores

CVSS 3.1

Type
Secondary
Base score
8.1
Impact score
5.9
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

Weaknesses

psirt@fortinet.com
CWE-120

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.