EIP-2026-103548

PRE-CVE

Microsoft Internet Explorer 3/4/5 / Netscape Communicator 4 - IMG Tag Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103548. PoCs published by John Percival.

AI-analyzed exploit summary This exploit leverages multiple malicious IMG tags with unique 'mailto:' links to trigger a denial of service (DoS) by exhausting system resources or crashing the browser. It is effective on Microsoft Windows platforms with vulnerable web browsers.

Description

Microsoft Internet Explorer 3/4/5 / Netscape Communicator 4 - IMG Tag Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by John Percival · textdosmultiple
https://www.exploit-db.com/exploits/21041

This exploit leverages multiple malicious IMG tags with unique 'mailto:' links to trigger a denial of service (DoS) by exhausting system resources or crashing the browser. It is effective on Microsoft Windows platforms with vulnerable web browsers.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Multiple web browsers on Microsoft Windows (versions not specified)
No auth needed
Prerequisites: Access to a medium allowing HTML embedding (e.g., forums, guestbooks) · Victim interaction (viewing the malicious webpage)
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026