EIP-2026-117789

PRE-CVE

PowerCHM 5.7 - 'hhp' Local Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117789. PoCs published by LiquidWorm.

AI-analyzed exploit summary This Perl script exploits a local buffer overflow in PowerCHM 5.7 by crafting a malicious .hhp file with a long string of NOP sleds, shellcode, and a return address to achieve arbitrary code execution.

Description

PowerCHM 5.7 - 'hhp' Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by LiquidWorm · perllocalwindows
https://www.exploit-db.com/exploits/8301

This Perl script exploits a local buffer overflow in PowerCHM 5.7 by crafting a malicious .hhp file with a long string of NOP sleds, shellcode, and a return address to achieve arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: PowerCHM 5.7
No auth needed
Prerequisites: Local access to the target system · PowerCHM 5.7 installed
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026