CVE-2009-0563

high Microsoft ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
79.9%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Published: June 10, 2009 (6182 days ago)
Last Modified: April 22, 2026
Vendor: Microsoft
Source: NVD

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2022-06-08
Remediation Due: 2022-06-22 (⚠ 1422d overdue)

Description

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."

CWE

CWE-787

Affected Products

microsoft officemicrosoft office compatibility packmicrosoft office word viewermicrosoft open xml file format converter

References

🔗 osvdb.org 🔗 www.securityfocus.com 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 www.us-cert.gov