{"id":"CVE-2026-59347","aliases":["EUVD-2026-94169","GHSA-54rf-87fx-f97x"],"status":"published","title":"VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability","description":"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)","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00234,"percentile":0.14488,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-10-07T05:40:05Z","modified":"2026-10-07T15:58:17Z","products":[{"vendor":"vmware","product":"vmware fusion"},{"vendor":"vmware","product":"vmware workstation"}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59347"},{"url":"https://github.com/advisories/GHSA-54rf-87fx-f97x"}],"sources":{"cve":[{"id":"CVE-2026-59347","title":"VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability","description":"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)","status":"published","published":"2026-10-07T05:40:05.544Z","modified":"2026-10-07T11:29:34.197Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:19:58.560602Z"}],"euvd":[{"id":"EUVD-2026-94169","description":"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)","status":"published","published":"2026-10-07T05:40:05Z","modified":"2026-10-07T11:29:34Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:35.509652Z"}],"ghsa":[{"id":"GHSA-54rf-87fx-f97x","title":"VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A...","description":"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)","status":"published","published":"2026-10-07T06:33:03Z","modified":"2026-10-07T06:33:08Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:12:53.496212Z"}],"nvd":[{"id":"CVE-2026-59347","description":"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)","status":"published","published":"2026-10-07T06:16:35.7Z","modified":"2026-10-07T15:58:17.433Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:12:54.809359Z"}]}}