CVE-2026-59346
VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability
CVSS Score
9.3
EPSS Score
0.0%
EPSS Percentile
0th
VMware Workstation and Fusion contain an integer-overflow vulnerability. 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. Affected versions: - VMware Workstation: 25H2, 26H1 (fixed in 26H1u1) - VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)
| CWE | CWE-190 |
| Vendor | vmware |
| Product | vmware workstation |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Oct 7, 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 / VMware Workstation
25H2 ≤ 26H1
VMware / VMware Fusion
25H2 ≤ 26H1