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Findings

CVE-2009-0563

Microsoft Office Buffer Overflow Vulnerability

Published Jun 10, 2009 · updated Jun 16, 2026 · microsoft office

Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a crafted tag containing an invalid length field, aka "Word Buffer Overflow Vulnerability."

Timeline

Detection, updates, and resolution for this record.

  1. Jun 10, 2009 · Catalog

    Detected

    Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via

  2. Jun 8, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 22, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via

Required action

Apply updates per vendor instructions.

CISA due date Jun 22, 2022

Affected

  • cpe microsoft/office2000
  • cpe microsoft/office2003
  • cpe microsoft/office2004
  • cpe microsoft/office2007
  • cpe microsoft/office2008
  • cpe microsoft/officexp
  • cpe microsoft/office compatibility pack2007
  • vendor Microsoft Officeversion unspecified

Sources

  • CISA KEVCVE-2009-0563

    Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via a Word document with a crafted tag containing an invalid length field.

    cisa.gov
  • CVE.orgCVE-2009-0563

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2009-0563

    30-day exploitation probability 62.8%

    first.org
  • NIST NVDCVE-2009-0563

    Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility P

    nvd.nist.gov

References