Executive Summary

Title Vulnerability in .NET Framework Could Allow Elevation of Privilege
Name MS14-026 First vendor Publication 2014-05-13
Vendor Microsoft Last vendor Modification 2014-05-13
Severity (Vendor) Version Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Severity Rating: Important
Revision Note: V1.0 (May 13, 2014): Bulletin published.
Summary: This security update resolves a privately reported vulnerability in Microsoft .NET Framework. The vulnerability could allow elevation of privilege if an unauthenticated attacker sends specially crafted data to an affected workstation or server that uses .NET Remoting. .NET Remoting is not widely used by applications; only custom applications that have been specifically designed to use .NET Remoting would expose a system to the vulnerability.

Original Source

Url : https://technet.microsoft.com/en-us/library/security/MS14-026

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-94 Failure to Control Generation of Code ('Code Injection')

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:24648
Oval ID: oval:org.mitre.oval:def:24648
Title: Vulnerability in .NET Framework could allow elevation of privilege - MS14-026
Description: The .NET Remoting implementation in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly restrict memory access, which allows remote attackers to execute arbitrary code via vectors involving malformed objects, aka "TypeFilterLevel Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2014-1806
Version: 5
Platform(s): Microsoft Windows XP
Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows Vista
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Product(s): Microsoft .NET Framework 1.1
Microsoft .NET Framework 2.0
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4.0
Microsoft .NET Framework 4.5
Microsoft .NET Framework 4.5.1
Definition Synopsis:

CPE : Common Platform Enumeration

Application 7

ExploitDB Exploits

id Description
2014-11-17 .NET Remoting Services Remote Command Execution

Information Assurance Vulnerability Management (IAVM)

Date Description
2014-05-15 IAVM : 2014-A-0073 - Microsoft .NET Framework Privilege Escalation Vulnerability
Severity : Category I - VMSKEY : V0050455

Nessus® Vulnerability Scanner

Date Description
2014-05-14 Name : The version of the .NET Framework installed on the remote host is affected by...
File : smb_nt_ms14-026.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2014-05-17 00:22:16
  • Multiple Updates
2014-05-15 13:24:15
  • Multiple Updates
2014-05-14 21:28:01
  • Multiple Updates
2014-05-14 17:25:34
  • Multiple Updates
2014-05-13 21:27:46
  • Multiple Updates
2014-05-13 21:16:58
  • First insertion