{"schema":"threatline.record/2","record":{"id":"CVE-2026-59346","aliases":[],"summary":"VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability","details":"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)","categories":["Containers & cloud"],"product":"VMware Workstation","vendor":"VMware","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-59346","source_modified_at":"2026-10-07T11:29:55.791Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"VMware Workstation","vendor":"VMware","versions":[{"status":"affected","version":"25H2","versionType":"custom","lessThanOrEqual":"26H1"},{"status":"unaffected","version":"26H1u1","versionType":"custom"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-59346","source_modified_at":"2026-10-07T11:29:55.791Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"VMware Fusion","vendor":"VMware","versions":[{"status":"affected","version":"25H2","versionType":"custom","lessThanOrEqual":"26H1"},{"status":"unaffected","version":"26H1u1","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":9.3,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00258,"percentile":0.16514,"score_date":"2026-10-23"},"published_at":"2026-10-07T05:40:03.571Z","modified_at":"2026-10-07T11:29:55.791Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-59346","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-07T11:29:55.791Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-59346","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-07T11:29:45.838907Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-07T11:29:55.791Z","content_hash":"442d88242e55e52f880d3ece8d9baf3ead3c1aee047dd8ac5f796569836b7bb1"}}