EIP-2026-117441

PRE-CVE

MASM321 11 Quick Editor '.qeditor' 4.0g - '.qse' File Buffer Overflow (SEH) (ASLR + SafeSEH Bypass)

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117441. PoCs published by St0rn.

AI-analyzed exploit summary This exploit demonstrates an SEH-based buffer overflow in MASM32 Quick Editor 4.0g, bypassing ASLR and SafeSEH. It crafts a malicious .QSE file with a printable shellcode (shutdown payload) and leverages a jump to NOP sled to maintain execution flow.

Description

MASM321 11 Quick Editor '.qeditor' 4.0g - '.qse' File Buffer Overflow (SEH) (ASLR + SafeSEH Bypass)

Exploits (1)

exploitdb WORKING POC

by St0rn · pythonlocalwindows

https://www.exploit-db.com/exploits/37799

View Code ZIP pw:eip

This exploit demonstrates an SEH-based buffer overflow in MASM32 Quick Editor 4.0g, bypassing ASLR and SafeSEH. It crafts a malicious .QSE file with a printable shellcode (shutdown payload) and leverages a jump to NOP sled to maintain execution flow.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: MASM32 Quick Editor 4.0g

No auth needed

Prerequisites: Victim must open the malicious .QSE file in MASM32 Quick Editor

MITRE ATT&CK

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

devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026