{"id":"CVE-2007-2903","aliases":["EUVD-2007-2895","GHSA-6ch6-7fx5-4326"],"status":"published","title":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft...","description":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument.  NOTE: it is not clear whether this issue crosses privilege boundaries.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.2851,"percentile":0.98142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2007-05-30T10:00:00Z","modified":"2026-06-16T22:40:40Z","exploits":[{"source":"exploitdb","id":"EDB-3973","title":"Microsoft Office 2000 (OUACTRL.OCX 1.0.1.9) - Remote Denial of Service","type":"dos","platform":"windows","date":"2007-05-23","verified":true,"url":"https://www.exploit-db.com/exploits/3973"}],"products":[{"vendor":"microsoft","product":"office"}],"references":[{"url":"http://shinnai.altervista.org/viewtopic.php?id=42\u0026t_id=26","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/34473","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018107","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/24118","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://osvdb.org/36034","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.html","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2903"},{"url":"https://github.com/advisories/GHSA-6ch6-7fx5-4326"}],"sources":{"cve":[{"id":"CVE-2007-2903","description":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument.  NOTE: it is not clear whether this issue crosses privilege boundaries.","status":"published","published":"2007-05-30T10:00:00Z","modified":"2024-08-07T13:57:54.274Z","updated_at":"2026-11-02T13:32:34.372976Z"}],"euvd":[{"id":"EUVD-2007-2895","description":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument.  NOTE: it is not clear whether this issue crosses privilege boundaries.","status":"published","published":"2007-05-30T10:00:00Z","modified":"2024-08-07T13:57:54Z","updated_at":"2026-11-03T01:38:19.088083Z"}],"ghsa":[{"id":"GHSA-6ch6-7fx5-4326","title":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft...","description":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument.  NOTE: it is not clear whether this issue crosses privilege boundaries.","status":"published","published":"2022-05-01T18:08:26Z","modified":"2023-01-31T05:04:03Z","updated_at":"2026-11-02T14:48:35.806261Z"}],"nvd":[{"id":"CVE-2007-2903","description":"Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument.  NOTE: it is not clear whether this issue crosses privilege boundaries.","status":"published","published":"2007-05-30T10:30:00Z","modified":"2026-06-16T22:40:40.403Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:16.479378Z"}]}}