EIP-2026-115264

PRE-CVE

FlyHelp - '.CHM' Local Buffer Overflow (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115264. PoCs published by fl0 fl0w.

AI-analyzed exploit summary This is a proof-of-concept exploit for a buffer overflow vulnerability in the handling of .CHM files. The code generates a malformed .CHM file with an overly long string to trigger the overflow, potentially leading to arbitrary code execution.

Description

FlyHelp - '.CHM' Local Buffer Overflow (PoC)

Exploits (1)

exploitdb WORKING POC VERIFIED
by fl0 fl0w · c++doswindows
https://www.exploit-db.com/exploits/9222

This is a proof-of-concept exploit for a buffer overflow vulnerability in the handling of .CHM files. The code generates a malformed .CHM file with an overly long string to trigger the overflow, potentially leading to arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft HTML Help Workshop (specific version not specified)
No auth needed
Prerequisites: Victim must open the malformed .CHM file
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026