# CVE-2002-0693

## Summary

- **CVE ID:** CVE-2002-0693
- **Severity:** UNKNOWN
- **CVSS Score:** 2.45
- **CWE:** N/A
- **Published:** Oct 5, 2002
- **Last Modified:** Mar 16, 2026

## Description

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.

## Affected Products

- n/a — n/a (n/a)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 61.30%
- **EPSS Percentile:** 98.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._