EIP-2026-118785

PRE-CVE

Microsoft IIS - ASP Multiple Extensions Security Bypass 5.x/6.x Vulnerabilities

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118785. PoCs published by emgent.

AI-analyzed exploit summary This exploit leverages a security bypass in Microsoft IIS 5.x/6.x by embedding ASP code in a file with multiple extensions (e.g., .asp;.jpg). It generates a malicious image file containing shellcode to create a bind shell on port 31337.

Description

Microsoft IIS - ASP Multiple Extensions Security Bypass 5.x/6.x Vulnerabilities

Exploits (1)

exploitdb WORKING POC VERIFIED

by emgent · pythonremotewindows

https://www.exploit-db.com/exploits/10791

View Code ZIP pw:eip

This exploit leverages a security bypass in Microsoft IIS 5.x/6.x by embedding ASP code in a file with multiple extensions (e.g., .asp;.jpg). It generates a malicious image file containing shellcode to create a bind shell on port 31337.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Microsoft IIS 5.x/6.x

No auth needed

Prerequisites: Upload capability to the target IIS server · Ability to access the uploaded file via a browser

MITRE ATT&CK

T1190 - Exploit Public-Facing Application T1203 - Exploitation for Client Execution

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026