EIP-2026-117580

PRE-CVE

Microsoft Windows Server 2000/95/98/NT 4.0 - Long Filename Extension

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117580. PoCs published by Laurent Eschenauer.

AI-analyzed exploit summary This exploit demonstrates a buffer overflow vulnerability in Windows Explorer (Windows 95, 98, NT, 2000) by creating a file with an excessively long extension (>128 characters). The PoC overwrites EIP with a JMP ESP instruction from comctl32.dll and includes a placeholder shellcode (int 3).

Description

Microsoft Windows Server 2000/95/98/NT 4.0 - Long Filename Extension

Exploits (1)

exploitdb WORKING POC VERIFIED

by Laurent Eschenauer · clocalwindows

https://www.exploit-db.com/exploits/19968

View Code ZIP pw:eip

This exploit demonstrates a buffer overflow vulnerability in Windows Explorer (Windows 95, 98, NT, 2000) by creating a file with an excessively long extension (>128 characters). The PoC overwrites EIP with a JMP ESP instruction from comctl32.dll and includes a placeholder shellcode (int 3).

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Windows Explorer (versions 4.72.3110.1 and earlier)

No auth needed

Prerequisites: Ability to create a file with a long extension on the target system · Target system must be running a vulnerable version of Windows Explorer

MITRE ATT&CK

T1068 - Exploitation for Privilege Escalation T1203 - Exploitation for Client Execution

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

Details

Status pre_cve

Tracked Since Feb 18, 2026