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CVE-2026-70465
FortiClient vulnerability analysis and mitigation

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.


SourceNVD

Related FortiClient vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-70465HIGH8.1
  • FortiClient logoFortiClient
  • cpe:2.3:a:fortinet:forticlient
NoYesAug 12, 2026
CVE-2026-24018HIGH7.8
  • FortiClient logoFortiClient
  • cpe:2.3:a:fortinet:forticlient
NoYesMar 10, 2026
CVE-2025-62676HIGH7.1
  • FortiClient logoFortiClient
  • cpe:2.3:a:fortinet:forticlient
NoYesFeb 10, 2026
CVE-2026-44278MEDIUM5.5
  • FortiClient logoFortiClient
  • cpe:2.3:a:fortinet:forticlient
NoYesMay 12, 2026
CVE-2025-54660MEDIUM5.5
  • FortiClient logoFortiClient
  • cpe:2.3:a:fortinet:forticlient
NoYesNov 18, 2025

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