{"id":"CVE-2007-0427","url":"https://www.cyber-defence.io/tools/cve/CVE-2007-0427","generatedAt":"2026-10-27T18:33:13.974Z","title":"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.","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.","published":"2007-01-23T00:28:00.000Z","lastModified":"2026-06-16T22:35:33.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":9.3,"severity":"HIGH","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C"},"cwe":[],"affected":["microsoft/html help workshop"],"epss":{"score":0.31368,"percentile":0.98266,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2007-01-17","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":3159,"kind":"exploit","title":"Microsoft Help Workshop 4.03.0002 - '.HPJ' Local Buffer Overflow","url":"https://www.exploit-db.com/exploits/3159","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/3159.cpp","file":"exploits/windows/local/3159.cpp","published":"2007-01-19","added":"2007-01-18","updated":"2016-09-20","author":"porkythepig","type":"local","platform":"windows","port":null,"verified":true,"codes":["CVE-2007-0427"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":3149,"kind":"exploit","title":"Microsoft Help Workshop 4.03.0002 - '.cnt' Local Buffer Overflow","url":"https://www.exploit-db.com/exploits/3149","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/windows/local/3149.cpp","file":"exploits/windows/local/3149.cpp","published":"2007-01-17","added":"2007-01-16","updated":null,"author":"porkythepig","type":"local","platform":"windows","port":null,"verified":true,"codes":["OSVDB-31899","CVE-2007-0427","OSVDB-31898","CVE-2007-0352"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 31.4%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://osvdb.org/31899","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/23862","source":"cve@mitre.org"},{"url":"http://securityreason.com/securityalert/2177","source":"cve@mitre.org"},{"url":"http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/457436/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/22135","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"http://osvdb.org/31899","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/23862","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://securityreason.com/securityalert/2177","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.anspi.pl/~porkythepig/visualization/hpj-x01.cpp","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/457436/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/22135","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2007-0427","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}