Microsoft Windows 8.0/8.1 XMLDOM ActiveX Control input validation

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Microsoft Windows 8.0/8.1 (Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component XMLDOM ActiveX Control. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

The Microsoft.XMLDOM ActiveX control in Microsoft Windows 8.1 and earlier allows remote attackers to determine the existence of local pathnames, UNC share pathnames, intranet hostnames, and intranet IP addresses by examining error codes, as demonstrated by a res:// URL, and exploited in the wild in February 2014.

The weakness was published 02/26/2014 with FireEye as not defined advisory (Website). The advisory is shared at This vulnerability is known as CVE-2013-7331 since 02/25/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available.

It is declared as highly functional. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 77572 (MS14-052: Cumulative Security Update for Internet Explorer (2977629)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100210 (Microsoft Internet Explorer Cumulative Security Update (MS14-052)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 05/25/2022 with a due date of 06/15/2022:

Apply updates per vendor instructions.

Applying the patch MS14-052 is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published 7 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 21831.

The vulnerability is also documented in the databases at X-Force (91305) and Tenable (77572). Additional details are provided at








  • end of life (old version)

CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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Class: Input validation

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

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Nessus ID: 77572
Nessus Name: MS14-052: Cumulative Security Update for Internet Explorer (2977629)
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MetaSploit ID: ms14_052_xmldom.rb
MetaSploit Name: MS14-052 Microsoft Internet Explorer XMLDOM Filename Disclosure
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Threat Intelligenceinfo

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Recommended: Patch
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Patch: MS14-052
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02/17/2014 🔍
02/17/2014 +0 days 🔍
02/25/2014 +8 days 🔍
02/26/2014 +1 days 🔍
02/26/2014 +0 days 🔍
03/02/2014 +4 days 🔍
09/09/2014 +191 days 🔍
09/10/2014 +1 days 🔍
03/24/2015 +195 days 🔍
04/26/2024 +3321 days 🔍



Organization: FireEye
Status: Not defined

CVE: CVE-2013-7331 (🔍)

X-Force: 91305
SecurityTracker: 1030818
Vulnerability Center: 43425 - [MS14-052] Microsoft Windows and Internet Explorer Remote Information Disclosure Vulnerability in the XMLDOM ActiveX Control - CVE-2013-7331, Medium
SecurityFocus: 65601 - Microsoft Internet Explorer CVE-2013-7331 Information Disclosure Vulnerability

scip Labs:
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Created: 03/24/2015 03:54 PM
Updated: 04/26/2024 02:53 PM
Changes: 03/24/2015 03:54 PM (72), 05/22/2017 09:06 AM (13), 02/01/2022 09:52 PM (3), 02/01/2022 10:02 PM (1), 04/26/2024 02:53 PM (24)
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Cache ID: 44:60A:40


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