CVE-2004-0380

critical Microsoft
CVSS v3 Base Score
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS Score
74.4%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
C
Integrity
C
Availability
C
Published: May 4, 2004 (8045 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

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."

CWE

NVD-CWE-Other

Affected Products

microsoft outlook express

References

🔗 secunia.com 🔗 www.k-otik.net 🔗 www.kb.cert.org 🔗 www.securityfocus.com 🔗 www.securityfocus.com