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Vulnerability record · CVE-2006-2056 · published 26 April 2006

CVE-2006-2056: Microsoft internet explorer argument injection vulnerability

Microsoft · Internet Explorer

Argument injection vulnerability in Internet Explorer 6 for Windows XP SP2 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 13% · top 3.8% CWE-88 · Argument injection
5.0CVSS 2.0 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Argument injection vulnerability in Internet Explorer 6 for Windows XP SP2 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://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://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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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-2056), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.