CVE-2002-0693
HIGHEPSS 99th pctlDescription
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.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
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
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.