Executive Summary

TitleVulnerability in .NET Framework Could Allow Elevation of Privilege
NameMS14-026First vendor Publication2014-05-13
VendorMicrosoftLast vendor Modification2014-05-13
Severity (Vendor) VersionRevision1.0

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score10Attack RangeNetwork
Cvss Impact Score10Attack ComplexityLow
Cvss Expoit Score10AuthenticationNone 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

100 %CWE-94Failure 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


ExploitDB Exploits

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

Information Assurance Vulnerability Management (IAVM)

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

Nessus® Vulnerability Scanner

2014-05-14Name : 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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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