# CVE-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 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."

- Page: https://www.vulneraibility.com/cve/CVE-2009-0563
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-06-08; CISA due date 2022-06-22
- EPSS: 59.63% (percentile 99.1)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-10)
- Weakness: CWE-787
- Published: 2009-06-10

## Affected

- microsoft:office
- microsoft:office_compatibility_pack
- microsoft:office_word_viewer
- microsoft:open_xml_file_format_converter

## References

- [other] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6133
- [other] http://www.securityfocus.com/bid/35188
- [other] http://osvdb.org/54959
- [other] http://www.zerodayinitiative.com/advisories/ZDI-09-035
- [advisory] http://www.us-cert.gov/cas/techalerts/TA09-160A.html
- [other] http://www.securitytracker.com/id?1022356
- [advisory] https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-027
- [other] http://www.vupen.com/english/advisories/2009/1546
- [other] http://www.securityfocus.com/archive/1/504204/100/0/threaded
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2009-0563

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.