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CVE-2026-59346

CRITICALCVSS 9.3
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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)

Timeline
Published:October 7th, 2026 6:16 AM
Last modified:October 7th, 2026 3:58 PM
CVSS Scoring

CVSS v3: 9.3 (CRITICAL)

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)
CWE-190
References & Reports
Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute