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    CVE-2017-8558

    The Microsoft Malware Protection Engine running on Microsoft Forefront and Microsoft Defender on 32-bit versions of Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703 does not properly scan a specially crafted file leading to memory corruption. aka "Microsoft Malware Protection Engine Remote Code Execution Vulnerability".

    Published:Jun 29, 2017
    Last Modified:Apr 20, 2025
    EPS:Jun 29, 2017
    EPSS Score:0.56058
    CVSS Score:7.8

    Affected Products

    Vendor
    Microsoft
    Product
    Endpoint Protection
    Vendor
    Microsoft
    Product
    Forefront Endpoint Protection
    Vendor
    Microsoft
    Product
    Security Essentials
    Vendor
    Microsoft
    Product
    Windows 10
    Vendor
    Microsoft
    Product
    Windows 7
    Vendor
    Microsoft
    Product
    Windows 8.1
    Vendor
    Microsoft
    Product
    Windows Defender
    Vendor
    Microsoft
    Product
    Windows Intune Endpoint Protection
    Vendor
    Microsoft
    Product
    Windows Server 2008

    Exploits

    https://www.exploit-db.com/exploits/42264

    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