Microsoft Internet Explorer 6/7/8/9 memory corruption

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A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 6/7/8/9 (Web Browser). Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "Link Properties Handling Memory Corruption Vulnerability."

The weakness was shared 06/16/2011 as MS11-050 as confirmed bulletin (Technet). The advisory is available at This vulnerability is handled as CVE-2011-1250. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 55130 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100103 (Microsoft Internet Explorer Cumulative Security Update (MS11-050)).

Applying the patch MS11-050 is able to eliminate this problem. The bugfix is ready for download at Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11318.

The vulnerability is also documented in the databases at Tenable (55130), SecurityFocus (BID 48202†) and Vulnerability Center (SBV-31786†).








CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

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Status: Proof-of-Concept
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Nessus ID: 55130
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OpenVAS ID: 902443
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (2530548)
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Recommended: Patch
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Patch: MS11-050
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PaloAlto IPS: 🔍


03/04/2011 🔍
06/14/2011 +102 days 🔍
06/15/2011 +1 days 🔍
06/16/2011 +1 days 🔍
06/16/2011 +0 days 🔍
03/23/2015 +1376 days 🔍
11/08/2021 +2422 days 🔍



Advisory: MS11-050
Status: Confirmed

CVE: CVE-2011-1250 (🔍)

SecurityFocus: 48202
Vulnerability Center: 31786 - [MS11-050] Microsoft Internet Explorer 6, 7, 8, and 9 Remote Arbitrary Code Execution Vulnerability, Medium


Created: 03/23/2015 04:50 PM
Updated: 11/08/2021 07:30 PM
Changes: 03/23/2015 04:50 PM (43), 04/07/2017 12:10 PM (21), 11/08/2021 07:16 PM (1), 11/08/2021 07:23 PM (7), 11/08/2021 07:30 PM (2)
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Cache ID: 44:0E4:40


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