{"id":"CVE-2026-70465","revision":"865b32ab79b049e497d4ea899c4b3de9","records":[{"revision":"865b32ab79b049e497d4ea899c4b3de9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-70465","aliases":[],"title":"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 …","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.","state":0,"publishedAt":"2026-08-12T11:52:25.666+00:00","modifiedAt":"2026-10-20T13:54:58.117+00:00","affected":[{"ecosystem":"Vendor product","name":"FortiClientWindows","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Fortinet\",\n                    \"product\": \"FortiClientWindows\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.4.3:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.4.2:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.4.1:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.4.0:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.11:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.10:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.9:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.8:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.7:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.6:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.5:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.4:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.3:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.2:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.1:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:fortinet:forticlientwindows:7.2.0:*:*:*:*:*:*:*\"\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"versionType\": \"semver\",\n                            \"version\": \"7.4.0\",\n                            \"lessThanOrEqual\": \"7.4.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"versionType\": \"semver\",\n                            \"version\": \"7.2.0\",\n                            \"lessThanOrEqual\": \"7.2.11\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"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","score":7.3,"severity":"HIGH"}],"references":["https://fortiguard.fortinet.com/psirt/FG-IR-26-156"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-70465","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-70465","identifiers":["CVE-2026-70465"]},"retained":false,"historicalAffected":[]}],"coverage":[]}