CVE-2026-59347— VMware Workstation and Fusion HGFS stack-based buffer-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 的 HGFS（Host-Guest File System）中存在一个基于栈的缓冲区溢出漏洞。具有虚拟机本地管理员权限的恶意攻击者可能利用此漏洞，在宿主机上以虚拟机 VMX 进程的身份执行代码。 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）
Possible ATT&CK Techniques 3 AI
T1068 · Exploitation for Privilege Escalation T1055 · Process Injection T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-59347
Vulnerability Information
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Vulnerability Title
VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
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)
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
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-2026-59347
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-59347 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-59347
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