EIP-2026-118378

PRE-CVE

CommuniCrypt Mail 1.16 - SMTP ActiveX Stack Buffer Overflow (Metasploit)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118378. PoCs published by Metasploit.

AI-analyzed exploit summary This Metasploit module exploits a stack buffer overflow in CommuniCrypt Mail 1.16's ActiveX control (ANSMTP.dll/AOSMTP.dll) via the 'AddAttachments()' method. It delivers a malicious payload through an HTML page with embedded JavaScript, triggering arbitrary code execution on vulnerable systems.

Description

CommuniCrypt Mail 1.16 - SMTP ActiveX Stack Buffer Overflow (Metasploit)

Exploits (1)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotewindows
https://www.exploit-db.com/exploits/16566

This Metasploit module exploits a stack buffer overflow in CommuniCrypt Mail 1.16's ActiveX control (ANSMTP.dll/AOSMTP.dll) via the 'AddAttachments()' method. It delivers a malicious payload through an HTML page with embedded JavaScript, triggering arbitrary code execution on vulnerable systems.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: CommuniCrypt Mail 1.16
No auth needed
Prerequisites: Victim must visit a malicious web page or open a malicious HTML file · ActiveX control must be installed and enabled
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026