CVE-2010-0243: Microsoft Office

High severity, CVSS 9.3. EPSS: 23.6% chance of exploitation in the next 30 days.

Buffer overflow in MSO.DLL in Microsoft Office XP SP3 and Office 2004 for Mac allows remote attackers to execute arbitrary code via a crafted Office document, aka "MSO.DLL Buffer Overflow."

Affected products

• Microsoft Office: version 2004 only; version xp only

Published 2010-02-10. Last modified 2026-06-16.