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CVE-2026-70465

8.1 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 4

  1. Cpes+1 -16 CPE criteria (now 1)NVD modified 2026-10-23 20:10
  2. StatusPublished → AnalyzedNVD modified 2026-10-23 20:10
  3. CVSS7.3 (v3.1, CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C) → 8.1 (v3.1, CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)NVD modified 2026-10-23 20:10
  4. First seenCVSS 7.3 · fortinetNVD modified 2026-10-20 13:54

Affected (CPE criteria) 1

  • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*

References 1