CVE-2026-59346
CriticalCVSS 9.3Exploitation Probability (EPSS)
Low risk16th percentile - higher than 16% of all known CVEs
Summary
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.
Risk Assessment
An attacker with admin privileges in a VM can escape the VM and execute code on the host, potentially leading to full host compromise.
Recommendation
Upgrade VMware Workstation and Fusion to version 26H1u1 or later. Restrict administrative privileges in VMs and monitor activity.
Other vulnerabilities in VMware Workstation and Fusion
Original NVD description (English source)
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)
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

