SB2026090363 - Multiple vulnerabilities in VMware Workstation and Fusion

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Main Vulnerability Database SB2026090363

SB2026090363 - Multiple vulnerabilities in VMware Workstation and Fusion

Published: September 3, 2026

Security Bulletin ID SB2026090363
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2026-59346)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: 6.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H]


The vulnerability allows a remote user to execute code on the host.

The vulnerability exists due to integer overflow in the VMXNET3 virtual network adapter when handling VMXNET3 operations on a virtual machine. A remote user with administrative privileges on the guest can execute arbitrary code on the host.

Exploitation requires a virtual machine with a VMXNET3 virtual network adapter.


2) Stack-based buffer overflow (CVE-ID: CVE-2026-59347)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: 5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H]


The vulnerability allows a remote user to execute code as the virtual machine's VMX process running on the host.

The vulnerability exists due to stack-based buffer overflow in HGFS when handling HGFS operations from a virtual machine. A remote user with administrative privileges on the guest can execute arbitrary code as the virtual machine's VMX process running on the host.


Remediation

Install update from vendor's website.

References