CVE-2026-59346
CRITICAL
CVSS 9.3
Published: 2026-10-07
Modified: 2026-10-07
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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)
Quick Facts
| CVE ID | CVE-2026-59346 |
| CVSS Score | 9.3 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| Published | 2026-10-07 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |