SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2004-0380

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)…

HIGH 10.0EPSS 63.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 63.2%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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."

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
63.25% probability · 99th percentile
CISA KEV
Not listed
Affected
microsoft/outlook express
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.