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."
2004-05-04T04:00:00.000
2025-04-03T01:03:51.193
Deferred
CVSSv2: 10.0 (HIGH)
AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | microsoft | outlook_express | 5.5 | Yes |
Application | microsoft | outlook_express | 6.0 | Yes |