CVE-2026-70465
CVSS Score
7.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-120 |
| Vendor | fortinet |
| Product | forticlientwindows |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Aug 12, 2026 |
| Last Updated | Aug 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Fortinet / FortiClientWindows
7.4.0 ≤ 7.4.3 7.2.0 ≤ 7.2.11