EIP-2026-118916

PRE-CVE

mlsrvx.dll 1.8.9.1 ArGoSoft Mail Server - Data Write/Code Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118916. PoCs published by callAX.

AI-analyzed exploit summary This exploit leverages insecure methods in mlsrvx.dll (Add & SaveToFile) to write arbitrary files, enabling remote code execution via a crafted HTML page. It creates a .reg file to enable Telnet and a .bat file to add a user to the Administrators group.

Description

mlsrvx.dll 1.8.9.1 ArGoSoft Mail Server - Data Write/Code Execution

Exploits (1)

exploitdb WORKING POC VERIFIED
by callAX · htmlremotewindows
https://www.exploit-db.com/exploits/4234

This exploit leverages insecure methods in mlsrvx.dll (Add & SaveToFile) to write arbitrary files, enabling remote code execution via a crafted HTML page. It creates a .reg file to enable Telnet and a .bat file to add a user to the Administrators group.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: ArGoSoft Mail Server mlsrvx.dll 1.8.9.1
No auth needed
Prerequisites: Victim must visit a malicious HTML page · mlsrvx.dll must be registered and accessible
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026