{"schema":"threatline.record/2","record":{"id":"CVE-2009-3129","aliases":[],"summary":"Microsoft Excel Featheader Record Memory Corruption Vulnerability","details":"Microsoft Office Excel allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset.","categories":["Applications & CMS"],"product":"Excel","vendor":"Microsoft","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2009-3129","source_modified_at":"2025-10-22T00:05:54.084Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2022-03-03","due_date":"2022-03-24","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.84034,"percentile":0.99696,"score_date":"2026-10-23"},"published_at":"2009-11-11T19:00:00.000Z","modified_at":"2025-10-22T00:05:54.084Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2009-3129","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-22T00:05:54.084Z"},{"source":"Metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/ms09_067_excel_featheader.rb","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2009-11-10"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/14706","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2010-08-21"},{"source":"Exploit-DB","url":"https://www.exploit-db.com/exploits/16625","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2010-09-25"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2009-3129","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Metasploit","Exploit-DB","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-3129","source":"CISA KEV"},{"source":"CVE List","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"source":"CVE List","url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3129","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-02-10T19:26:12.425148Z"},"exploits":[{"source":"Metasploit","kind":"Exploit module","name":"MS09-067 Microsoft Excel Malformed FEATHEADER Record Vulnerability","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/ms09_067_excel_featheader.rb","date":"2009-11-10","added":"2025-06-23","check":false},{"source":"Exploit-DB","kind":"Local exploit","name":"Microsoft Excel - FEATHEADER Record (MS09-067)","url":"https://www.exploit-db.com/exploits/14706","date":"2010-08-21","added":"2010-08-21","verified":false},{"source":"Exploit-DB","kind":"Local exploit","name":"Microsoft Excel - Malformed FEATHEADER Record (MS09-067) (Metasploit)","url":"https://www.exploit-db.com/exploits/16625","date":"2010-09-25","added":"2010-09-25","verified":true}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-22T00:05:54.084Z","content_hash":"a56ae441c7ae350a6d2ea3d91b0041ac2e0dcc2f4d0f75ad6a5793bbb9fa11a9"}}