Microsoft Outlook Express/Windows Mail MHTML Protocol information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as problematic, was found in Microsoft Outlook Express and Windows Mail (Mail Client Software) (version unknown). Affected is an unknown code of the component MHTML Protocol Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. This is going to have an impact on confidentiality.

The weakness was released 06/12/2007 with Microsoft as MS07-034 as confirmed bulletin (Technet). The advisory is available at This vulnerability is traded as CVE-2007-2225 since 04/24/2007. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 25487 (MS07-034: Cumulative Security Update for Outlook Express and Windows Mail (929123)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Upgrading eliminates this vulnerability. Applying the patch MS07-034 is able to eliminate this problem. The bugfix is ready for download at The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5402.

The vulnerability is also documented in the databases at SecurityFocus (BID 24392), X-Force (34622), Secunia (SA25639), SecurityTracker (ID 1018232) and Vulnerability Center (SBV-15358). Entries connected to this vulnerability are available at 2191, 3127 and 3125.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
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Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 25487
Nessus Name: MS07-034: Cumulative Security Update for Outlook Express and Windows Mail (929123)
Nessus File: 🔍
Nessus Family: 🔍

OpenVAS ID: 801716
OpenVAS Name: Microsoft Outlook Express/Windows Mail MHTML URI Handler Information Disclosure Vulnerability (929123)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfoedit

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Recommended: Upgrade
Status: 🔍

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Patch: MS07-034
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍


04/24/2007 🔍
06/12/2007 +49 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/13/2007 +0 days 🔍
06/18/2007 +5 days 🔍
07/12/2007 +24 days 🔍
04/18/2016 +3203 days 🔍
12/29/2016 +255 days 🔍



Advisory: MS07-034
Organization: Microsoft
Status: Confirmed

CVE: CVE-2007-2225 (🔍)

SecurityFocus: 24392 - Microsoft Outlook Express MHTML URL Parsing Information Disclosure Vulnerability
Secunia: 25639 - Microsoft Outlook Express and Windows Mail Multiple Vulnerabilities, Highly Critical
X-Force: 34622
SecurityTracker: 1018232 - Windows Mail MHTML Protocol Handler Redirect Bug Lets Remote Users Obtain Information
Vulnerability Center: 15358 - [MS07-034] Microsoft Outlook Express 6 and Windows Mail MHTML Processing Information Disclosure, Medium
OSVDB: 35345 - Microsoft Outlook Express / Windows Mail URL Parsing Cross Domain Information Disclosure
Vupen: ADV-2007-2154

See also: 🔍


Created: 06/18/2007 07:38 PM
Updated: 12/29/2016 01:00 PM
Changes: (12) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai countermeasure_date source_secunia_date source_securityfocus_date source_securityfocus_class source_sectracker_date source_sectracker_cause
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