Microsoft Internet Explorer 10/11 resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability classified as critical has been found in Microsoft Internet Explorer 10/11 (Web Browser). Affected is an unknown functionality. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Microsoft Internet Explorer 10 and 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory Corruption Vulnerability," a different vulnerability than CVE-2015-1736, CVE-2015-1737, and CVE-2015-1755.

The issue has been introduced in 04/12/2011. The weakness was disclosed 06/10/2015 with Baidu as MS15-056 as confirmed bulletin (Technet). The advisory is available at This vulnerability is traded as CVE-2015-1731. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 1519 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 84053 (MS15-056: Cumulative Security Update for Internet Explorer (3058515)), 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 100237 (Microsoft Internet Explorer Cumulative Security Update (MS15-056)).

Applying the patch MS15-056 is able to eliminate this problem. The bugfix is ready for download at A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19948.

The vulnerability is also documented in the vulnerability database at Tenable (84053). The entries 75750, 75761, 75763 and 75764 are pretty similar.








  • end of life

CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


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

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 84053
Nessus Name: MS15-056: Cumulative Security Update for Internet Explorer (3058515)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS15-056
TippingPoint: 🔍
Fortigate IPS: 🔍


04/12/2011 🔍
02/17/2015 +1406 days 🔍
06/09/2015 +112 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/09/2015 +0 days 🔍
06/10/2015 +1 days 🔍
06/10/2015 +0 days 🔍
06/10/2015 +0 days 🔍
06/10/2015 +0 days 🔍
05/20/2022 +2536 days 🔍



Advisory: MS15-056
Organization: Baidu
Status: Confirmed

CVE: CVE-2015-1731 (🔍)

SecurityTracker: 1032521 - Microsoft Internet Explorer Multiple Flaws Let Remote Users Obtain Browser History and Execute Arbitrary Code
Vulnerability Center: 50440 - [MS15-056] Microsoft Internet Explorer 10-11 Remote Code Execution due to Memory Corruption - CVE-2015-1731, Critical
SecurityFocus: 74975 - Microsoft Internet Explorer CVE-2015-1731 Remote Memory Corruption Vulnerability

See also: 🔍


Created: 06/10/2015 10:14 AM
Updated: 05/20/2022 12:11 PM
Changes: 06/10/2015 10:14 AM (70), 04/07/2017 12:13 PM (10), 05/20/2022 12:05 PM (3), 05/20/2022 12:11 PM (1)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!