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CVE-2009-0563

HIGH CISA KEV

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."

Published: Jun 10, 2009 Modified: Apr 22, 2026
CWE-787 CWE-787

CVSS Metrics

CVSSv3
Attack Vector: LOCAL Attack Complexity: LOW Privileges Required: NONE User Interaction: REQUIRED Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products (12)

Vendor Product Version
microsoft office 2000
microsoft office 2003
microsoft office 2004
microsoft office 2007
microsoft office 2007
microsoft office 2008
microsoft office xp
microsoft office_compatibility_pack 2007
microsoft office_compatibility_pack 2007
microsoft office_word_viewer -
microsoft office_word_viewer 2003
microsoft open_xml_file_format_converter -

GitHub Security Advisory GHSA-f5c7-c9q4-9h6j

Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2;...

Risk Scores

CVSS Score 7.8 / 10
EPSS Score 79.92%

Top 1% most likely to be exploited

Threat Score 85.2 / 100

CISA Known Exploited

Date Added: 2022-06-08
Due Date: 2022-06-22
Required Action:

Apply updates per vendor instructions.

Data Sources

NVD CISA KEV EPSS GitHub