7.3
High
CVE-2026-70465 A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| FortiClientWindows 7.4 | 7.4.0 → 7.4.3 | No fix stated |
| FortiClientWindows 7.2 | 7.2.0 → 7.2.11 | No fix stated |
Other CVEs of FortiClientWindows
The 30 CVEs of FortiClientWindows →
CVE-2026-84386
A unverified ownership vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.7, FortiClientWindows 7.2 all…
4.7
Medium
CVE-2026-44278
A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.2,…
2.1
Low
CVE-2025-62676
An Improper Link Resolution Before File Access ('Link Following') vulnerability [CWE-59] vulnerability in Fortinet…
6.4
Medium
CVE-2025-54660
An active debug code vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0…
4.9
Medium