CVE-2025-41236
VMXNET3 integer-overflow vulnerability
CVSS Score
9.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | vmware |
| Product | esxi |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jul 15, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
VMware / ESXi
8.0 < ESXi80U3f-24784735 8.0 < ESXi80U2e-24789317 7.0 < ESXi70U3w-24784741
VMware / Cloud Foundation
5.x, 4.5.x
VMware / Workstation
17.x < 17.6.4
VMware / Fusion
13.x ≤ 13.6.4
VMware / Telco Cloud Platform
5.x, 4.x, 3.x, 2.x
VMware / Telco Cloud Infrastructure
3.x, 2.x