Microsoft Internet Explorer up to 11 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Microsoft Internet Explorer up to 11 (Web Browser) and classified as critical. Affected by this issue is some 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.

The issue has been introduced in 03/22/2001. The weakness was released 09/09/2014 by Bo Qu with Palo Alto Networks as MS14-052 as confirmed bulletin (Technet). The advisory is shared for download at This vulnerability is handled as CVE-2014-4094 since 04/10/2014. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/15/2022). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability was handled as a non-public zero-day exploit for at least 4919 days. During that time the estimated underground price was around $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.

Applying the patch MS14-052 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 16702.

The vulnerability is also documented in the databases at X-Force (95524) and Tenable (77572). Entries connected to this vulnerability are available at 12410, 67505, 67513 and 67484.








  • end of life

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
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VulDB Base Score: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍


Nessus ID: 77572
Nessus Name: MS14-052: Cumulative Security Update for Internet Explorer (2977629)
Nessus File: 🔍
Nessus Risk: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Patch
Status: 🔍

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Patch: MS14-052
TippingPoint: 🔍

McAfee IPS: 🔍
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Fortigate IPS: 🔍


03/22/2001 🔍
04/10/2014 +4767 days 🔍
09/09/2014 +152 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/09/2014 +0 days 🔍
09/10/2014 +1 days 🔍
09/10/2014 +0 days 🔍
02/15/2022 +2715 days 🔍



Advisory: MS14-052
Researcher: Bo Qu
Organization: Palo Alto Networks
Status: Confirmed

CVE: CVE-2014-4094 (🔍)

X-Force: 95524 - Microsoft Internet Explorer code execution, High Risk
SecurityTracker: 1030818 - Microsoft Internet Explorer Mulitple Flaws Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information
Vulnerability Center: 46075 - [MS14-052] Microsoft Internet Explorer 6 - 11 Remote Code Execution Vulnerability due to Memory Corruption - CVE-2014-4094, Critical
SecurityFocus: 69602

See also: 🔍


Created: 09/10/2014 11:11 AM
Updated: 02/15/2022 03:54 PM
Changes: 09/10/2014 11:11 AM (80), 04/07/2017 12:11 PM (8), 02/15/2022 03:48 PM (2), 02/15/2022 03:54 PM (1)
Complete: 🔍


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