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Vulnerability record · CVE-2006-2055 · published 26 April 2006

CVE-2006-2055: Microsoft outlook argument injection vulnerability

Microsoft · Outlook

Argument injection vulnerability in Microsoft Outlook 2003 SP1 allows user-assisted remote attackers to modify command line arguments to an invoked mail client via " (double quote) characters in a mailto: scheme handler, as demonstrated by launching Microsoft Outlook with an arbitrary filename as an attachment. NOTE: it is not clear whether this issue is implementation-specific or a problem in the Microsoft API.

5.0 CVSS 2.0 Medium EPSS 15% · top 3.3% CWE-88 · Argument injection
5.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
16 Jun 2026Last modified by NVD

Description

Argument injection vulnerability in Microsoft Outlook 2003 SP1 allows user-assisted remote attackers to modify command line arguments to an invoked mail client via " (double quote) characters in a mailto: scheme handler, as demonstrated by launching Microsoft Outlook with an arbitrary filename as an attachment. NOTE: it is not clear whether this issue is implementation-specific or a problem in the Microsoft API.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://ingehenriksen.blogspot.com/2006/04/office-2003-file-attachment-exploit.html Broken Link
http://secunia.com/advisories/19819 Broken Link
http://www.osvdb.org/25003 Broken Link
http://www.securityfocus.com/archive/1/432009/100/0/threaded Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2006/1538 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/26118 Third Party AdvisoryVDB Entry
http://ingehenriksen.blogspot.com/2006/04/office-2003-file-attachment-exploit.html Broken Link
http://secunia.com/advisories/19819 Broken Link
http://www.osvdb.org/25003 Broken Link
http://www.securityfocus.com/archive/1/432009/100/0/threaded Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2006/1538 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/26118 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-2055), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.