EIP-2026-115663

PRE-CVE

Microsoft IIS 5.0 - WebDAV Lock Method Memory Leak Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115663. PoCs published by Defcom Labs.

AI-analyzed exploit summary The exploit demonstrates a denial of service vulnerability in Microsoft IIS 5.0 by repeatedly sending HTTP LOCK requests for non-existent files, leading to memory exhaustion and system crash. It also suggests combining the attack with ASP execution for enhanced impact.

Description

Microsoft IIS 5.0 - WebDAV Lock Method Memory Leak Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Defcom Labs · textdoswindows
https://www.exploit-db.com/exploits/20854

The exploit demonstrates a denial of service vulnerability in Microsoft IIS 5.0 by repeatedly sending HTTP LOCK requests for non-existent files, leading to memory exhaustion and system crash. It also suggests combining the attack with ASP execution for enhanced impact.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft IIS 5.0
No auth needed
Prerequisites: Network access to the target IIS server
mistral-large-3 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026