CVE-2012-1854: Microsoft Visual Basic for Applications Insecure Library Loading Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-04-13. EPSS: 21% chance of exploitation in the next 30 days.

Untrusted search path vulnerability in VBE6.dll in Microsoft Office 2003 SP3, 2007 SP2 and SP3, and 2010 Gold and SP1; Microsoft Visual Basic for Applications (VBA); and Summit Microsoft Visual Basic for Applications SDK allows local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .docx file, aka "Visual Basic for Applications Insecure Library Loading Vulnerability," as exploited in the wild in July 2012.

Affected products

• Microsoft Office: version 2003 only; version 2007 only; version 2010 only
• Microsoft Visual Basic For Applications: any version
• Microsoft Visual Basic For Applications SDK: any version

Published 2012-07-10. Last modified 2026-06-16.