Reference page — cumulative record through Tuesday, October 20, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2009-3129

CVE-2009-3129HIGH

n/a n/a — Microsoft Excel

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   N   R  U  H  H  H    7.8   .8403   99.7   YES

AFFECTED
  Product  Versions  Fixed
  n/a      n/a –     —

TIMELINE
  Sep 10  Reserved by microsoft
  Nov 11  Published (CNA: microsoft)
  Mar 3   Added to CISA KEV, remediation due 2022-03-24

CWE-787 · CNA: microsoft · CVSS v3.1 · 11 references · KEV due March 24, 2022

Description

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 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, aka "Excel Featheader Record Memory Corruption Vulnerability."

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 10, 2009	Reserved	Reserved by microsoft
November 11, 2009	Published	Published (CNA: microsoft)
March 3, 2022	KEV ADDED	Added to CISA KEV, remediation due 2022-03-24

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	n/a	—	n/a	—

Weaknesses

CWE-787

References (11)

http://archives.neohapsis.com/archives/bugtraq/2009-11/0080.html [mailing-list, x_refsource_BUGTRAQ]
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=832 [third-party-advisory, x_refsource_IDEFENSE]
http://osvdb.org/59860 [vdb-entry, x_refsource_OSVDB]
http://www.exploit-db.com/exploits/14706 [exploit, x_refsource_EXPLOIT-DB]
http://www.securityfocus.com/bid/36945 [vdb-entry, x_refsource_BID]
http://www.securitytracker.com/id?1023157 [vdb-entry, x_refsource_SECTRACK]
http://www.us-cert.gov/cas/techalerts/TA09-314A.html [third-party-advisory, x_refsource_CERT]
http://www.zerodayinitiative.com/advisories/ZDI-09-083 [x_refsource_MISC]
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067 [vendor-advisory, x_refsource_MS]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521 [vdb-entry, signature, x_refsource_OVAL]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3129 [government-resource]

Authoritative record: CVE-2009-3129 at cve.org

Weaknesses: CWE-787

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2009-3129 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Tuesday, October 20, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.