{"id":"CVE-2026-59346","revision":"587d71c52da14237b154c4bf05d72804","records":[{"revision":"587d71c52da14237b154c4bf05d72804","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-59346","aliases":[],"title":"VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability","description":"VMware Workstation and Fusion contain an integer-overflow vulnerability. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host.\n\nAffected versions:\n- VMware Workstation: 25H2, 26H1 (fixed in 26H1u1)\n- VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)","state":0,"publishedAt":"2026-10-07T05:40:03.571+00:00","modifiedAt":"2026-10-07T11:29:55.791+00:00","affected":[{"ecosystem":"Vendor product","name":"VMware Workstation","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"VMware\",\n                    \"product\": \"VMware Workstation\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"25H2\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"26H1\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"26H1u1\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"},{"ecosystem":"Vendor product","name":"VMware Fusion","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"VMware\",\n                    \"product\": \"VMware Fusion\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"25H2\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"26H1\"\n                        },\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"26H1u1\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"macOS\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":9.3,"severity":"CRITICAL"}],"references":["https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-59346","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-59346","identifiers":["CVE-2026-59346"]},"retained":false,"historicalAffected":[]}],"coverage":[]}