{"cve":"CVE-2003-0503","nvd":{"published":"2003-08-07T04:00:00.000","modified":"2026-06-16T22:02:19.630","status":"Modified","description":"Buffer overflow in the ShellExecute API function of SHELL32.DLL in Windows 2000 before SP4 may allow attackers to cause a denial of service or execute arbitrary code via a long third argument.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://marc.info/?l=bugtraq&m=105725489003575&w=2","http://marc.info/?l=ntbugtraq&m=105724538222772&w=2","http://www.lac.co.jp/security/intelligence/SNSAdvisory/65.html","http://marc.info/?l=bugtraq&m=105725489003575&w=2","http://marc.info/?l=ntbugtraq&m=105724538222772&w=2"],"products":["microsoft:windows_2000"],"source":"nvd","synced_at":"2026-10-19T19:35:54.859949650+00:00"},"epss":{"cve":"CVE-2003-0503","score":0.06947,"percentile":0.94117,"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."]}