EIP-2026-117585

PRE-CVE

Microsoft Windows XP/2000 - 'RunDLL32.exe' Local Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117585. PoCs published by Rick Patel.

AI-analyzed exploit summary The exploit demonstrates a buffer overflow vulnerability in rundll32.exe by passing an excessively long string (499 'A' characters) as a routine name for a module. This triggers a buffer overflow, potentially leading to arbitrary code execution, though exploitation is hindered by Unicode conversion of user-supplied data.

Description

Microsoft Windows XP/2000 - 'RunDLL32.exe' Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by Rick Patel · textlocalwindows
https://www.exploit-db.com/exploits/22870

The exploit demonstrates a buffer overflow vulnerability in rundll32.exe by passing an excessively long string (499 'A' characters) as a routine name for a module. This triggers a buffer overflow, potentially leading to arbitrary code execution, though exploitation is hindered by Unicode conversion of user-supplied data.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Theoretical
Target: rundll32.exe (Windows XP SP1 and potentially other versions)
No auth needed
Prerequisites: Access to execute rundll32.exe on the target system
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026