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    CVE-2009-0100

    Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Microsoft Office Excel Viewer and Excel Viewer 2003 SP3; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 do not properly parse the Excel spreadsheet file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that contains a malformed object with "an offset and a two-byte value" that trigger a memory calculation error, aka "Memory Corruption Vulnerability."

    Published:Apr 15, 2009
    Last Modified:Apr 23, 2026
    EPS:Apr 15, 2009
    EPSS Score:0.57218
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Office Compatibility Pack For Word Excel Ppt 2007
    Vendor
    Microsoft
    Product
    Office Excel
    Vendor
    Microsoft
    Product
    Office Excel Viewer

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://osvdb.org/53665
    http://www.fortiguardcenter.com/advisory/FGA-2009-16.html
    http://www.securityfocus.com/archive/1/502696/100/0/threaded
    http://www.securitytracker.com/id?1022039
    http://www.us-cert.gov/cas/techalerts/TA09-104A.html
    http://www.vupen.com/english/advisories/2009/1023
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6043
    http://osvdb.org/53665
    http://www.fortiguardcenter.com/advisory/FGA-2009-16.html
    http://www.securityfocus.com/archive/1/502696/100/0/threaded
    http://www.securitytracker.com/id?1022039
    http://www.us-cert.gov/cas/techalerts/TA09-104A.html
    http://www.vupen.com/english/advisories/2009/1023
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6043

    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