Microsoft Internet Explorer 10/11 File access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Microsoft Internet Explorer 10/11 (Web Browser). It has been rated as problematic. This issue affects some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability (File). Using CWE to declare the problem leads to CWE-264. Impacted is availability. The summary by CVE is:

Microsoft Internet Explorer 10 and 11 uses an incorrect flag during certain filesystem accesses, which allows remote attackers to delete arbitrary files via unspecified vectors, aka "Tampering Vulnerability."

The weakness was disclosed 09/08/2015 by Haifei Li with Intel as MS15-094 as confirmed bulletin (Technet). The advisory is shared at The identification of this vulnerability is CVE-2015-2484 since 03/19/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/14/2022). It is expected to see the exploit prices for this product decreasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 85845 (MS15-094: Cumulative Security Update for Internet Explorer (3089548)), 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 100257 (Microsoft Internet Explorer Cumulative Security Update (MS15-094)).

Applying the patch MS15-094 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.

The vulnerability is also documented in the vulnerability database at Tenable (85845).








CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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Name: File
Class: Access control / File
CWE: CWE-264

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 85845
Nessus Name: MS15-094: Cumulative Security Update for Internet Explorer (3089548)
Nessus File: 🔍
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Threat Intelligenceinfo

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Recommended: Patch
Status: 🔍

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Patch: MS15-094
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03/19/2015 🔍
09/08/2015 +173 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/08/2015 +0 days 🔍
09/09/2015 +1 days 🔍
09/09/2015 +0 days 🔍
06/14/2022 +2470 days 🔍



Advisory: MS15-094
Researcher: Haifei Li
Organization: Intel
Status: Confirmed

CVE: CVE-2015-2484 (🔍)
SecurityTracker: 1033487 - Microsoft Internet Explorer Multiple Bugs Let Remote Users Obtain Potentially Sensitive Information, Gain Elevated Privileges, Delete Files, and Execute Arbitrary Code
Vulnerability Center: 52486 - [MS15-094] Microsoft Internet Explorer 10 - 11 Remote Tampering Vulnerability, High
SecurityFocus: 76586 - Microsoft Internet Explorer CVE-2015-2484 Tampering Security Bypass Vulnerability


Created: 09/09/2015 10:01 AM
Updated: 06/14/2022 12:33 PM
Changes: 09/09/2015 10:01 AM (68), 04/07/2017 12:14 PM (12), 06/14/2022 12:33 PM (3)
Complete: 🔍
Cache ID: 3:804:40


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