EIP-2026-115791

PRE-CVE

Microsoft Windows Defender - ActiveX Heap Overflow (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115791. PoCs published by SarBoT511.

AI-analyzed exploit summary This exploit targets a heap overflow vulnerability in Microsoft Windows Defender's ActiveX control by passing an excessively long string argument to the DeleteValue method, potentially leading to arbitrary code execution.

Description

Microsoft Windows Defender - ActiveX Heap Overflow (PoC)

Exploits (1)

exploitdb WORKING POC
by SarBoT511 · htmldoswindows
https://www.exploit-db.com/exploits/11195

This exploit targets a heap overflow vulnerability in Microsoft Windows Defender's ActiveX control by passing an excessively long string argument to the DeleteValue method, potentially leading to arbitrary code execution.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: Microsoft Windows Defender (MsMpCom.dll)
No auth needed
Prerequisites: Windows 7 with Windows Defender installed · ActiveX enabled in the browser
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026