CVE-2026-70465: A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows…
CVE-2026-70465 · Severity: high · CVSS 8.1 · Published 2026-08-12
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.
No. Junglewise Threat Intelligence has no report of CVE-2026-70465 being exploited in the wild.
How severe is CVE-2026-70465?
High severity, with a CVSS score of 8.1, published 12 August 2026.
Which products and versions are affected?
Fortinet Forticlient. The advisory does not name versions.
Is there a fix for CVE-2026-70465?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-70465?
Check whether you run Fortinet Forticlient. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.