EIP-2026-118870

PRE-CVE

Microsoft Visio 2007 - 'mfc80esn.dll' DLL Loading Arbitrary Code Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118870. PoCs published by Pepelux.

AI-analyzed exploit summary This exploit demonstrates a DLL hijacking vulnerability in Microsoft Visio 2007 by providing a malicious DLL (mfc80esn.dll) that executes arbitrary code when loaded by the application. The PoC compiles into a DLL that displays a message box upon execution, confirming the vulnerability.

Description

Microsoft Visio 2007 - 'mfc80esn.dll' DLL Loading Arbitrary Code Execution

Exploits (1)

exploitdb WORKING POC VERIFIED
by Pepelux · cremotewindows
https://www.exploit-db.com/exploits/34832

This exploit demonstrates a DLL hijacking vulnerability in Microsoft Visio 2007 by providing a malicious DLL (mfc80esn.dll) that executes arbitrary code when loaded by the application. The PoC compiles into a DLL that displays a message box upon execution, confirming the vulnerability.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Visio 2007
No auth needed
Prerequisites: Access to the target system to place the malicious DLL in the application directory · User interaction to open a file in Visio
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026