What’s Vulnerable › Vulnerabilities
CVE-2026-59346: VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability
- Severity: critical (CVSS 9.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-07 · updated 2026-10-07
- Weakness: CWE-190
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)
Affected products
- VMware Fusion: from 25H2 through 26H1
- VMware Workstation: from 25H2 through 26H1
References
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