EIP-2026-117740

PRE-CVE

Outlook Express 6 - Attachment Security Bypass

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-117740. PoCs published by http-equiv.

AI-analyzed exploit summary This is a technical writeup describing a vulnerability in Microsoft Outlook Express 6 where dangerous file attachments embedded in HTML frames bypass security restrictions. The vulnerability allows users to save or execute malicious files despite extension changes.

Description

Outlook Express 6 - Attachment Security Bypass

Exploits (1)

exploitdb WRITEUP VERIFIED
by http-equiv · textlocalwindows
https://www.exploit-db.com/exploits/21096

This is a technical writeup describing a vulnerability in Microsoft Outlook Express 6 where dangerous file attachments embedded in HTML frames bypass security restrictions. The vulnerability allows users to save or execute malicious files despite extension changes.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Outlook Express 6
No auth needed
Prerequisites: User interaction (opening/previewing email) · HTML frame embedding in email
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026