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    CVE-2026-59346

    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)

    Published:Oct 7, 2026
    Last Modified:Oct 9, 2026
    EPS:Oct 7, 2026
    EPSS Score:0.00258
    CVSS Score:9.3

    Affected Products

    Vendor
    Vmware
    Product
    Vmware Fusion
    Vendor
    Vmware
    Product
    Vmware Workstation

    Exploits

    https://github.com/0xCyberstan/CVE-2026-59346-POC

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High