EIP-2026-118514

PRE-CVE

EMC Captiva QuickScan Pro 4.6 SP1 and EMC Documentum ApllicationXtender Desktop 5.4 (keyhelp.ocx 1.2.312) - Remote Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118514. PoCs published by pyrokinesis.

AI-analyzed exploit summary This is a functional exploit for a stack-based buffer overflow in the EMC KeyHelp.ocx ActiveX control (version 1.2.312). It leverages the JumpURL method to overwrite EIP after 537 bytes, executing a shellcode payload (calc.exe) via a call esp instruction in user32.dll.

Description

EMC Captiva QuickScan Pro 4.6 SP1 and EMC Documentum ApllicationXtender Desktop 5.4 (keyhelp.ocx 1.2.312) - Remote Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by pyrokinesis · htmlremotewindows
https://www.exploit-db.com/exploits/9803

This is a functional exploit for a stack-based buffer overflow in the EMC KeyHelp.ocx ActiveX control (version 1.2.312). It leverages the JumpURL method to overwrite EIP after 537 bytes, executing a shellcode payload (calc.exe) via a call esp instruction in user32.dll.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: EMC Captiva QuickScan Pro 4.6 sp1, EMC Documentum ApplicationXtender Desktop 5.4
No auth needed
Prerequisites: Victim must be using IE8 on Windows XP SP3 · KeyHelp.ocx must be registered and not kill-bitted
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026