Microsoft Outlook Express up to 6 Windows Address Book File memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability has been found in Microsoft Outlook Express up to 6 (Mail Client Software) and classified as critical. This vulnerability affects an unknown part of the component Windows Address Book File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 12/12/2006. The weakness was published 12/12/2006 with Microsoft as MS06-076 as confirmed bulletin (Technet). The advisory is shared for download at This vulnerability was named CVE-2006-2386 since 05/15/2006. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 23835 (MS06-076: Cumulative Security Update for Outlook Express (923694)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context local.

Upgrading eliminates this vulnerability. Applying the patch MS06-076 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 immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 9639. In this case the pattern |9C CB CB 8D 13|u|D2 11 91|X|00 C0|OyV|A4| is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4906.

The vulnerability is also documented in the databases at SecurityFocus (BID 21501), X-Force (29227), Secunia (SA23311), SecurityTracker (ID 1017369) and Vulnerability Center (SBV-13310). Similar entry is available at 2136.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 23835
Nessus Name: MS06-076: Cumulative Security Update for Outlook Express (923694)
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Threat Intelligenceinfoedit

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Recommended: Upgrade
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Patch: MS06-076

Snort ID: 9639
Snort Message: WEB-CLIENT Windows Address Book download attempt
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05/15/2006 🔍
12/12/2006 +211 days 🔍
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12/14/2006 +1 days 🔍
04/18/2016 +3413 days 🔍
07/11/2019 +1179 days 🔍



Advisory: MS06-076
Organization: Microsoft
Status: Confirmed

CVE: CVE-2006-2386 (🔍)

SecurityFocus: 21501 - Microsoft Outlook Express Windows Address Book Contact Record Remote Code Execution Vulnerability
Secunia: 23311 - Outlook Express Address Book Contact Record Vulnerability, Moderately Critical
X-Force: 29227 - Microsoft Outlook Express Windows Address Book (WAB) buffer overflow, High Risk
SecurityTracker: 1017369
Vulnerability Center: 13310 - [MS06-076] Microsoft Outlook Express Windows Address Book (WAB) Buffer Overflow, Medium
OSVDB: 30821 - Microsoft Outlook Express Windows Address Book Contact Record Code Execution
Vupen: ADV-2006-4969

See also: 🔍


Created: 12/14/2006 03:30 PM
Updated: 07/11/2019 05:02 PM
Changes: (1) vulnerability_discoverydate
Complete: 🔍


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