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    CVE-2002-0693

    Buffer overflow in the HTML Help ActiveX Control (hhctrl.ocx) in Microsoft Windows 98, 98 Second Edition, Millennium Edition, NT 4.0, NT 4.0 Terminal Server Edition, Windows 2000, and Windows XP allows remote attackers to execute code via (1) a long parameter to the Alink function, or (2) script containing a long argument to the showHelp function.

    Published:Oct 5, 2002
    Last Modified:Apr 16, 2026
    EPS:Oct 5, 2002
    EPSS Score:0.61298
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    Windows 2000
    Vendor
    Microsoft
    Product
    Windows 2000 Terminal Services
    Vendor
    Microsoft
    Product
    Windows 98
    Vendor
    Microsoft
    Product
    Windows 98se
    Vendor
    Microsoft
    Product
    Windows Me
    Vendor
    Microsoft
    Product
    Windows Nt
    Vendor
    Microsoft
    Product
    Windows Xp

    Exploits

    https://www.exploit-db.com/exploits/21902

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    References

    http://marc.info/?l=bugtraq&m=103365849505409&w=2
    http://marc.info/?l=bugtraq&m=103419115517344&w=2
    http://marc.info/?l=bugtraq&m=103435279404182&w=2
    http://www.iss.net/security_center/static/10253.php
    http://www.securityfocus.com/bid/5874
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-055
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A374
    http://marc.info/?l=bugtraq&m=103365849505409&w=2
    http://marc.info/?l=bugtraq&m=103419115517344&w=2
    http://marc.info/?l=bugtraq&m=103435279404182&w=2
    http://www.iss.net/security_center/static/10253.php
    http://www.securityfocus.com/bid/5874
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-055
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A374

    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