EIP-2026-115569

PRE-CVE

Macro Express Pro 4.2.2.1 - '.MXE' File Syntactic Analysis Buffer Overflow (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115569. PoCs published by LiquidWorm.

AI-analyzed exploit summary This Perl script generates a malformed Macro Express Pro MXE file with an oversized string buffer, triggering a buffer overflow vulnerability (CVE-2026-158223) when imported. The PoC demonstrates arbitrary code execution potential via controlled EIP overwrite, as evidenced by the included crash analysis.

Description

Macro Express Pro 4.2.2.1 - '.MXE' File Syntactic Analysis Buffer Overflow (PoC)

Exploits (1)

exploitdb WORKING POC VERIFIED
by LiquidWorm · perldoswindows
https://www.exploit-db.com/exploits/15959

This Perl script generates a malformed Macro Express Pro MXE file with an oversized string buffer, triggering a buffer overflow vulnerability (CVE-2026-158223) when imported. The PoC demonstrates arbitrary code execution potential via controlled EIP overwrite, as evidenced by the included crash analysis.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Macro Express Pro 4.2.2.1 and 4.2.1.1
No auth needed
Prerequisites: Victim must open the crafted .mxe file in Macro Express Pro
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026