CVE-2026-59346

CVSS 9.3 (critical) · published 2026-10-07

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)

Weakness: CWE-190

Source: NVD CVE-2026-59346

References

• https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288

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