EIP-2026-116554

PRE-CVE

WinMerge 2.12.4 - Project File Handling Stack Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116554. PoCs published by LiquidWorm.

AI-analyzed exploit summary This Perl script generates a malicious .winmerge project file that exploits a stack overflow vulnerability in WinMerge v2.12.4 by crafting a buffer overflow payload. The exploit leverages improper input sanitization in the project file parser to achieve potential arbitrary code execution.

Description

WinMerge 2.12.4 - Project File Handling Stack Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by LiquidWorm · pythondoswindows
https://www.exploit-db.com/exploits/16203

This Perl script generates a malicious .winmerge project file that exploits a stack overflow vulnerability in WinMerge v2.12.4 by crafting a buffer overflow payload. The exploit leverages improper input sanitization in the project file parser to achieve potential arbitrary code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: WinMerge v2.12.4.0 Unicode
No auth needed
Prerequisites: Victim must open the malicious .winmerge file
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026