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    CVE-2016-20091

    Windows Firewall Control 4.8.6.0 contains an unquoted service path vulnerability that allows local attackers to escalate privileges by inserting malicious executables in the service path. Attackers can place executable files in unquoted path directories that the wfcs.exe service will execute with LocalSystem privileges upon service restart or system reboot.

    Published:Jun 19, 2026
    Last Modified:Jul 15, 2026
    EPS:Jun 19, 2026
    EPSS Score:0.00113
    CVSS Score:7.8

    Affected Products

    Vendor
    Malwarebytes
    Product
    Binisoft Windows Firewall Control
    Vendor
    Microsoft
    Product
    Windows Firewall

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-428 Unquoted Search Path or Element

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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