Description
The MHTML protocol handler in Microsoft Outlook Express 5.5 SP2 through Outlook Express 6 SP1 allows remote attackers to bypass domain restrictions and execute arbitrary code, as demonstrated on Internet Explorer using script in a compiled help (CHM) file that references the InfoTech Storage (ITS) protocol handlers such as (1) ms-its, (2) ms-itss, (3) its, or (4) mk:@MSITStore, aka the "MHTML URL Processing Vulnerability."
Published: 2004-04-06
Score: 10.0 Critical
EPSS: 74.4% High
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.79378}

epss

{'score': 0.81694}


Subscriptions

Microsoft Outlook Express
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T00:17:14.315Z

Reserved: 2004-04-05T00:00:00.000Z

Link: CVE-2004-0380

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2004-05-04T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2004-0380

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses