{"schema_version":"1","view":"events","data":[{"id":2866,"advisory_id":"d34ef3d2-bed0-4298-a51e-e42de2527db0","group_id":"advisory:d34ef3d2-bed0-4298-a51e-e42de2527db0","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2009-3129","source_published_at":"2022-03-03T00:00:00+00:00","published_at":"2026-10-24T21:25:54.42497+00:00","extraction_method":"structured","technologies":["core-kev","excel"],"cve_ids":["CVE-2009-3129"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Excel Featheader Record Memory Corruption Vulnerability","summary":"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. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2009-3129","products":[{"name":{"value":"Excel","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2009-3129","aliases":["CVE-2009-3129"],"affected":[],"modified":"2022-03-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-94"],"cveID":"CVE-2009-3129","notes":"https://nvd.nist.gov/vuln/detail/CVE-2009-3129","dueDate":"2022-03-24","product":"Excel","dateAdded":"2022-03-03","vendorProject":"Microsoft","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"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.","vulnerabilityName":"Microsoft Excel Featheader Record Memory Corruption Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2009-3129","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null},"priority":{"reasons":["known_exploited"],"severity":"unknown","linked_cves":[],"fix_available":false,"known_exploited":true,"publisher_severity":"unknown"},"context_update":false,"detail_url":"/events/2866"}],"next_after":2866,"next_before":2866}