{"id":"CVE-2007-0427","aliases":["EUVD-2007-0427","GHSA-8h98-28x3-m78p"],"status":"published","title":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote...","description":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.31368,"percentile":0.9829,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2007-01-23T00:00:00Z","modified":"2026-06-16T22:35:32Z","exploits":[{"source":"exploitdb","id":"EDB-3149","title":"Microsoft Help Workshop 4.03.0002 - '.cnt' Local Buffer Overflow","type":"local","platform":"windows","date":"2007-01-17","verified":true,"url":"https://www.exploit-db.com/exploits/3149"},{"source":"exploitdb","id":"EDB-3159","title":"Microsoft Help Workshop 4.03.0002 - '.HPJ' Local Buffer Overflow","type":"local","platform":"windows","date":"2007-01-19","verified":true,"url":"https://www.exploit-db.com/exploits/3159"}],"products":[{"vendor":"microsoft","product":"html_help_workshop"}],"references":[{"url":"http://www.securityfocus.com/bid/22135","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://securityreason.com/securityalert/2177","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://osvdb.org/31899","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://secunia.com/advisories/23862","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.securityfocus.com/archive/1/457436/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-0427"},{"url":"https://github.com/advisories/GHSA-8h98-28x3-m78p"}],"sources":{"cve":[{"id":"CVE-2007-0427","description":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.","status":"published","published":"2007-01-23T00:00:00Z","modified":"2024-08-07T12:19:29.966Z","updated_at":"2026-11-02T13:34:03.879328Z"}],"euvd":[{"id":"EUVD-2007-0427","description":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.","status":"published","published":"2007-01-23T00:00:00Z","modified":"2024-08-07T12:19:29Z","updated_at":"2026-11-03T01:38:30.634408Z"}],"ghsa":[{"id":"GHSA-8h98-28x3-m78p","title":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote...","description":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.","status":"published","published":"2022-05-01T17:44:13Z","modified":"2023-01-31T05:03:10Z","updated_at":"2026-11-02T14:48:24.574436Z"}],"nvd":[{"id":"CVE-2007-0427","description":"Stack-based buffer overflow in Microsoft Help Workshop 4.03.0002 allows user-assisted remote attackers to execute arbitrary code via a help project (.HPJ) file with a long HLP field in the OPTIONS section.","status":"published","published":"2007-01-23T00:28:00Z","modified":"2026-06-16T22:35:32.937Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:11.752648Z"}]}}