EIP-2026-115222

PRE-CVE

ESET Smart Security 4.2 and NOD32 AntiVirus 4.2 (x86/x64) - LZH archive parsing (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115222. PoCs published by Oleksiuk Dmitry_ eSage Lab.

AI-analyzed exploit summary This PoC exploits a heap corruption vulnerability in ESET Smart Security and NOD32 Antivirus by crafting a malicious LZH archive with broken LZW compressed data. Scanning the file triggers the vulnerability in the ekrn.exe service process.

Description

ESET Smart Security 4.2 and NOD32 AntiVirus 4.2 (x86/x64) - LZH archive parsing (PoC)

Exploits (1)

exploitdb WORKING POC VERIFIED
by Oleksiuk Dmitry_ eSage Lab · pythondoswindows
https://www.exploit-db.com/exploits/12529

This PoC exploits a heap corruption vulnerability in ESET Smart Security and NOD32 Antivirus by crafting a malicious LZH archive with broken LZW compressed data. Scanning the file triggers the vulnerability in the ekrn.exe service process.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: ESET Smart Security 4.2 and NOD32 Antivirus 4.2 (x32-x64)
No auth needed
Prerequisites: Ability to deliver the malicious LZH file to the target system
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026