CVE-2007-4040

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-07-27 · updated 2026-06-16
Weakness: CWE-79

Description

Argument injection vulnerability involving Microsoft Outlook and Outlook Express, when certain URIs are registered, allows remote attackers to conduct cross-browser scripting attacks and execute arbitrary commands via shell metacharacters in an unspecified URI, which are inserted into the command line when invoking the handling process, a similar issue to CVE-2007-3670.

Affected products

Microsoft Outlook: all versions
Microsoft Outlook Express: all versions

References

http://larholm.com/2007/07/25/mozilla-protocol-abuse/
http://seclists.org/fulldisclosure/2007/Jul/0557.html
http://larholm.com/2007/07/25/mozilla-protocol-abuse/
http://seclists.org/fulldisclosure/2007/Jul/0557.html

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