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    CVE-2009-0561

    Integer overflow in Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Microsoft Office SharePoint Server 2007 SP1 and SP2 allows remote attackers to execute arbitrary code via an Excel file with a Shared String Table (SST) record with a numeric field that specifies an invalid number of unique strings, which triggers a heap-based buffer overflow, aka "Record Integer Overflow Vulnerability."

    Published:Jun 10, 2009
    Last Modified:Apr 23, 2026
    EPS:Jun 10, 2009
    EPSS Score:0.6554
    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
    Vendor
    Microsoft
    Product
    Office Sharepoint Server
    Vendor
    Microsoft
    Product
    Open Xml File Format Converter

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    References

    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