What’s Vulnerable › Vulnerabilities
CVE-2026-70465
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-12 · updated 2026-10-24
- Weakness: CWE-120
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
- Fortinet FortiClientWindows: from 7.2.0 before 7.2.12; from 7.4.0 before 7.4.4 — fixed in 7.2.12, 7.4.4
How to fix
Upgrade to a fixed version: Fortinet FortiClientWindows 7.2.12, 7.4.4. Check the vendor advisory for mitigations.
References
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