CVE-2026-59346— VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability
Quick assessment
Affected
VMware VMware Workstation
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
VMware Workstation 和 VMware Fusion 存在一个整数溢出漏洞。拥有虚拟机本地管理权限的攻击者，若该虚拟机配备了 VMXNET3 虚拟网络适配器，则可能利用此漏洞在宿主机上执行代码。 受影响版本： VMware Workstation：25H2、26H1（已在 26H1u1 中修复） VMware Fusion：25H2、26H1（已在 26H1u1 中修复）
In-the-Wild Activity Observed
github_trending · low
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-59346
Vulnerability Information
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Vulnerability Title
VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| VMware | VMware Workstation | 25H2 ~ 26H1 | - |
|
| VMware | VMware Fusion | 25H2 ~ 26H1 | - |
|
II. Public POCs for CVE-2026-59346
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-59346 (1)
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V. Comments for CVE-2026-59346
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