{"id":"CVE-2026-59347","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-59347","generatedAt":"2026-10-28T03:58:12.681Z","title":"VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS.","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)","published":"2026-10-07T06:16:36.000Z","lastModified":"2026-10-07T15:58:17.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@vmware.com","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-121"],"affected":[],"epss":{"score":0.00234,"percentile":0.14282,"date":"2026-10-27","history":[{"date":"2026-10-07","score":0.00207,"percentile":0.09914}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-07T06:16:36.000Z","detail":{"score":"8.1","severity":"HIGH","publishedAt":"2026-10-07T06:16:35.700Z"},"summary":"New CVE, high severity (CVSS 8.1)."}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288","source":"security@vmware.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-59347","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}