{
    "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"
                }
            }
        ]
    }
}