EIP-2026-115665

PRE-CVE

Microsoft Indexing Service - 'ixsso.dll' ActiveX Control Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115665. PoCs published by coolkaveh.

AI-analyzed exploit summary This exploit leverages a null-pointer dereference vulnerability in the Microsoft Indexing Service's 'ixsso.dll' ActiveX control. By invoking the 'OnStartPage' method with a null argument, it triggers a denial-of-service condition in Internet Explorer or other applications using the vulnerable control.

Description

Microsoft Indexing Service - 'ixsso.dll' ActiveX Control Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by coolkaveh · htmldoswindows
https://www.exploit-db.com/exploits/37673

This exploit leverages a null-pointer dereference vulnerability in the Microsoft Indexing Service's 'ixsso.dll' ActiveX control. By invoking the 'OnStartPage' method with a null argument, it triggers a denial-of-service condition in Internet Explorer or other applications using the vulnerable control.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Indexing Service (ixsso.dll) in Internet Explorer
No auth needed
Prerequisites: Victim must open a malicious webpage or HTML email
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026