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    CVE-2009-3129

    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."

    Published:Nov 11, 2009
    Last Modified:Apr 22, 2026
    EPS:Nov 11, 2009
    EPSS Score:0.91241
    CVSS Score:7.8

    CISA Notification

    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."

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Mar 24, 2022
    1632 days ago
    Alert Date
    Mar 3, 2022
    1653 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    Excel
    Vendor
    Microsoft
    Product
    Excel Viewer
    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Open Xml File Format Converter

    Exploits

    http://www.exploit-db.com/exploits/14706http://www.exploit-db.com/exploits/14706https://www.exploit-db.com/exploits/14706https://www.exploit-db.com/exploits/16625

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-85875 (CVSS 5.5) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.…
    CVE-2026-81948 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81950 (CVSS 7.8) — Double free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81949 (CVSS 7.8) — Integer overflow or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code local…
    CVE-2026-81953 (CVSS 7.8) — Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81959 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81951 (CVSS 7.8) — Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81388 (CVSS 7.8) — Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81957 (CVSS 7.8) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.…
    CVE-2026-81395 (CVSS 5.5) — Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.…

    References

    http://archives.neohapsis.com/archives/bugtraq/2009-11/0080.html
    http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=832
    http://osvdb.org/59860
    http://www.exploit-db.com/exploits/14706
    http://www.securityfocus.com/bid/36945
    http://www.securitytracker.com/id?1023157
    http://www.us-cert.gov/cas/techalerts/TA09-314A.html
    http://www.zerodayinitiative.com/advisories/ZDI-09-083
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521
    http://archives.neohapsis.com/archives/bugtraq/2009-11/0080.html
    http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=832
    http://osvdb.org/59860
    http://www.exploit-db.com/exploits/14706
    http://www.securityfocus.com/bid/36945
    http://www.securitytracker.com/id?1023157
    http://www.us-cert.gov/cas/techalerts/TA09-314A.html
    http://www.zerodayinitiative.com/advisories/ZDI-09-083
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-067
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6521
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-3129

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High