EIP-2026-117290

PRE-CVE

HTML Help Workshop 4.74 - hhp Universal Buffer Overflow

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117290. PoCs published by Dz_attacker.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in HTML Help Workshop 4.74 by crafting a malicious .hhp file. It uses a combination of headers, shellcode (Metasploit's calc.exe payload), and a staged payload to achieve remote code execution.

Description

HTML Help Workshop 4.74 - hhp Universal Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED

by Dz_attacker · pythonlocalwindows

https://www.exploit-db.com/exploits/10323

View Code ZIP pw:eip

This exploit targets a buffer overflow vulnerability in HTML Help Workshop 4.74 by crafting a malicious .hhp file. It uses a combination of headers, shellcode (Metasploit's calc.exe payload), and a staged payload to achieve remote code execution.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: HTML Help Workshop 4.74

No auth needed

Prerequisites: Victim must open the malicious .hhp file

MITRE ATT&CK

T1203 - Exploitation for Client Execution T1059 - Command and Scripting Interpreter

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026