CVE-2004-0380
CVSS Score Not Available
74.41%
HIGH RiskEPSS (99th percentile)
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: 5/4/2004
Modified: 4/3/2025
Vulnerability Summary
EPSS Score (Exploitation Probability)
74.41%HIGH Exploitation Risk
99th percentile
This vulnerability has a 74.41% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.