{"cve":"CVE-2002-0693","nvd":{"published":"2002-10-10T04:00:00.000","modified":"2026-06-16T21:57:57.367","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"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"],"products":["microsoft:windows_2000","microsoft:windows_2000_terminal_services","microsoft:windows_98","microsoft:windows_98se","microsoft:windows_me","microsoft:windows_nt","microsoft:windows_xp"],"source":"nvd","synced_at":"2026-10-19T19:34:38.930894741+00:00"},"epss":{"cve":"CVE-2002-0693","score":0.31337,"percentile":0.98278,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}