{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59347", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "state": "PUBLISHED", "assignerShortName": "vmware", "dateReserved": "2026-07-04T18:14:34.673Z", "datePublished": "2026-10-07T05:40:05.544Z", "dateUpdated": "2026-10-07T11:29:34.197Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-10-07T05:40:05.544Z"}, "title": "VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host."}]}], "affected": [{"vendor": "VMware", "product": "VMware Workstation", "versions": [{"status": "affected", "version": "25H2", "versionType": "custom", "lessThanOrEqual": "26H1"}, {"status": "unaffected", "version": "26H1u1", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "VMware", "product": "VMware Fusion", "versions": [{"status": "affected", "version": "25H2", "versionType": "custom", "lessThanOrEqual": "26H1"}, {"status": "unaffected", "version": "26H1u1", "versionType": "custom"}], "defaultStatus": "unaffected", "platforms": ["macOS"]}], "descriptions": [{"lang": "en", "value": "VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.\n\nAffected versions:\n- VMware Workstation: 25H2, 26H1 (fixed in 26H1u1)\n- VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)", "supportingMedia": [{"type": "text/html", "base64": false, "value": "VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.<br><br>Affected versions:<br><ul><li>VMware Workstation: 25H2, 26H1 (fixed in 26H1u1)</li><li>VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)</li></ul>"}]}], "references": [{"url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}], "source": {"discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T11:29:23.855420Z", "id": "CVE-2026-59347", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T11:29:34.197Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-59347", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-07T11:29:23.855420Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T11:29:29.783Z"}}], "cna": {"title": "VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability", "source": {"discovery": "UNKNOWN"}, "impacts": [{"descriptions": [{"lang": "en", "value": "A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host."}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "VMware", "product": "VMware Workstation", "versions": [{"status": "affected", "version": "25H2", "versionType": "custom", "lessThanOrEqual": "26H1"}, {"status": "unaffected", "version": "26H1u1", "versionType": "custom"}], "defaultStatus": "unaffected"}, {"vendor": "VMware", "product": "VMware Fusion", "versions": [{"status": "affected", "version": "25H2", "versionType": "custom", "lessThanOrEqual": "26H1"}, {"status": "unaffected", "version": "26H1u1", "versionType": "custom"}], "platforms": ["macOS"], "defaultStatus": "unaffected"}], "references": [{"url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288"}], "descriptions": [{"lang": "en", "value": "VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.\n\nAffected versions:\n- VMware Workstation: 25H2, 26H1 (fixed in 26H1u1)\n- VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)", "supportingMedia": [{"type": "text/html", "value": "VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.<br><br>Affected versions:<br><ul><li>VMware Workstation: 25H2, 26H1 (fixed in 26H1u1)</li><li>VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)</li></ul>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow"}]}], "providerMetadata": {"orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware", "dateUpdated": "2026-10-07T05:40:05.544Z"}}}, "cveMetadata": {"cveId": "CVE-2026-59347", "state": "PUBLISHED", "dateUpdated": "2026-10-07T11:29:34.197Z", "dateReserved": "2026-07-04T18:14:34.673Z", "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "datePublished": "2026-10-07T05:40:05.544Z", "assignerShortName": "vmware"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "VMware Workstation", "vendor": "VMware", "versions": [{"lessThanOrEqual": "26H1", "status": "affected", "version": "25H2", "versionType": "custom"}, {"status": "unaffected", "version": "26H1u1", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "platforms": ["macOS"], "product": "VMware Fusion", "vendor": "VMware", "versions": [{"lessThanOrEqual": "26H1", "status": "affected", "version": "25H2", "versionType": "custom"}, {"status": "unaffected", "version": "26H1u1", "versionType": "custom"}]}], "source": "security@vmware.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host.\n\nAffected versions:\n- VMware Workstation: 25H2, 26H1 (fixed in 26H1u1)\n- VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)"}], "id": "CVE-2026-59347", "lastModified": "2026-10-07T15:58:17.433", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 6.0, "source": "security@vmware.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59347", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T11:29:23.855420Z", "version": "2.0.3"}}]}, "published": "2026-10-07T06:16:35.700", "references": [{"source": "security@vmware.com", "url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "security@vmware.com", "type": "Secondary"}]}

{}