CVE-2026-70465CWE-120

CVE-2026-70465

High · published August 12, 2026

CVSS v3.1
8.1
EPSS
1%
Percentile
43.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00516 · 43.0th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-08-12T16:19Z
Affected products (2)
ProductVersionsFixed in
fortinet/forticlient≥ 7.2.0, < 7.2.127.2.12
fortinet/forticlient≥ 7.4.0, < 7.4.47.4.4
References (1)
https://fortiguard.fortinet.com/psirt/FG-IR-26-156 · [email protected]
EPSS history
Timeline
  • 12 AUG 11:52Z
    A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows…
    cvelistv5