EIP-2026-117286

PRE-CVE

HTML Email Creator 2.1b668 - html Local Overwrite (SEH)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117286. PoCs published by dun.

AI-analyzed exploit summary This exploit demonstrates a local SEH overwrite vulnerability in HTML Email Creator <= 2.1 build 668 by crafting a malicious HTML file with an oversized 'src' attribute in an <img> tag. The payload includes a structured buffer with NOPs, a jump instruction, a pop-pop-ret address, and Metasploit-generated shellcode to execute 'calc.exe'.

Description

HTML Email Creator 2.1b668 - html Local Overwrite (SEH)

Exploits (1)

exploitdb WORKING POC VERIFIED
by dun · c++localwindows
https://www.exploit-db.com/exploits/8401

This exploit demonstrates a local SEH overwrite vulnerability in HTML Email Creator <= 2.1 build 668 by crafting a malicious HTML file with an oversized 'src' attribute in an <img> tag. The payload includes a structured buffer with NOPs, a jump instruction, a pop-pop-ret address, and Metasploit-generated shellcode to execute 'calc.exe'.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: HTML Email Creator <= 2.1 build 668
No auth needed
Prerequisites: Local access to the target system · HTML Email Creator <= 2.1 build 668 installed
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026