CVE-2006-5574: Microsoft Office

High severity, CVSS 9.3. EPSS: 24.1% chance of exploitation in the next 30 days.

Unspecified vulnerability in the Brazilian Portuguese Grammar Checker in Microsoft Office 2003 and the Multilingual Interface for Office 2003, Project 2003, and Visio 2003 allows user-assisted remote attackers to execute arbitrary code via crafted text that is not properly parsed.

Affected products

• Microsoft Office: version 2003 only
• Microsoft Office Multilingual User Interface Pack: version 2003 only
• Microsoft Office Proofing Tools: version 2003 only
• Microsoft Project Multilingual User Interface Pack: version 2003 only
• Microsoft Visio: version 2003 only

Published 2006-12-31. Last modified 2026-06-16.