EIP-2026-117484

PRE-CVE

Microsoft Excel 2003 - Hlink Stack Buffer Overflow (SEH)

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117484. PoCs published by FistFuXXer.

AI-analyzed exploit summary This is a functional exploit for a stack/SEH overflow vulnerability in Microsoft Office Excel 2003. It leverages a crafted XLS file with malicious shellcode to achieve remote code execution (RCE) by triggering the overflow when a user clicks a link and confirms the action.

Description

Microsoft Excel 2003 - Hlink Stack Buffer Overflow (SEH)

Exploits (1)

exploitdb WORKING POC VERIFIED

by FistFuXXer · perllocalwindows

https://www.exploit-db.com/exploits/1958

View Code ZIP pw:eip

This is a functional exploit for a stack/SEH overflow vulnerability in Microsoft Office Excel 2003. It leverages a crafted XLS file with malicious shellcode to achieve remote code execution (RCE) by triggering the overflow when a user clicks a link and confirms the action.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Microsoft Office Excel 2003 (German; 11.8012.6568; SP2)

No auth needed

Prerequisites: User interaction (clicking a link and confirming) · Target system running vulnerable Excel 2003 version

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