CVE-2026-59347
VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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. Affected versions: - VMware Workstation: 25H2, 26H1 (fixed in 26H1u1) - VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)
| CWE | CWE-121 |
| 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:H/PR:N/UI:N/S:C/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
High
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