{"id":"CVE-2025-41236","aliases":["EUVD-2025-21544","GHSA-vvjv-89cj-78fr"],"status":"published","title":"VMXNET3 integer-overflow vulnerability","description":"VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. 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. Non VMXNET3 virtual adapters are not affected by this issue.","severity":{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02631,"percentile":0.85729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2025-07-15T18:34:12Z","modified":"2026-06-17T09:22:39Z","products":[{"vendor":"vmware","product":"cloud foundation"},{"vendor":"vmware","product":"esxi"},{"vendor":"vmware","product":"fusion"},{"vendor":"vmware","product":"telco cloud infrastructure"},{"vendor":"vmware","product":"telco cloud platform"},{"vendor":"vmware","product":"workstation"}],"references":[{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35877"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41236"},{"url":"https://github.com/advisories/GHSA-vvjv-89cj-78fr"}],"sources":{"cve":[{"id":"CVE-2025-41236","title":"VMXNET3 integer-overflow vulnerability","description":"VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. 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. Non VMXNET3 virtual adapters are not affected by this issue.","status":"published","published":"2025-07-15T18:34:12.719Z","modified":"2026-02-26T17:50:40.035Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:32:31.631102Z"}],"euvd":[{"id":"EUVD-2025-21544","description":"VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. 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. Non VMXNET3 virtual adapters are not affected by this issue.","status":"published","published":"2025-07-15T18:34:12Z","modified":"2026-02-26T17:50:40Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:48:19.036418Z"}],"ghsa":[{"id":"GHSA-vvjv-89cj-78fr","title":"VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3...","description":"VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. 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. Non VMXNET3 virtual adapters are not affected by this issue.","status":"published","published":"2025-07-15T21:31:39Z","modified":"2025-07-15T21:31:43Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:03:01.660442Z"}],"nvd":[{"id":"CVE-2025-41236","description":"VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. 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. Non VMXNET3 virtual adapters are not affected by this issue.","status":"published","published":"2025-07-15T19:15:21.303Z","modified":"2026-06-17T09:22:39.063Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:11:18.285862Z"}]}}