Executive Summary

Title Vulnerability in On-Screen Keyboard Could Allow Elevation of Privilege (2975685)
Name MS14-039 First vendor Publication 2014-07-08
Vendor Microsoft Last vendor Modification 2014-07-16
Severity (Vendor) Important Revision 1.1

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:H/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.6 Attack Range Network
Cvss Impact Score 10 Attack Complexity High
Cvss Expoit Score 4.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Severity Rating: Important
Revision Note: V1.1 (July 16, 2014): Updated the Known Issues entry in the Knowledge Base Article section from "None" to "Yes".
Summary: This security update resolves a publicly disclosed vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker uses a vulnerability in a low integrity process to execute the On-Screen Keyboard (OSK) and upload a specially crafted program to the target system.

Original Source

Url : https://technet.microsoft.com/en-us/library/security/MS14-039

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-264 Permissions, Privileges, and Access Controls

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:25213
Oval ID: oval:org.mitre.oval:def:25213
Title: Win32k Elevation of Privilege Vulnerability - CVE-2014-2781 (MS14-039)
Description: Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 do not properly restrict the exchange of keyboard and mouse data between programs at different integrity levels, which allows attackers to bypass intended access restrictions by leveraging control over a low-integrity process to launch the On-Screen Keyboard (OSK) and then upload a crafted application, aka "On-Screen Keyboard Elevation of Privilege Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2014-2781
Version: 5
Platform(s): Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows Server 2012
Microsoft Windows 8.1
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Vista
Definition Synopsis:

CPE : Common Platform Enumeration

Os 1
Os 1
Os 1
Os 1
Os 1
Os 3
Os 2
Os 1

Information Assurance Vulnerability Management (IAVM)

Date Description
2014-07-10 IAVM : 2014-A-0096 - Microsoft On-Screen Keyboard Privilege Escalation Vulnerability
Severity : Category I - VMSKEY : V0052945

Nessus® Vulnerability Scanner

Date Description
2014-07-08 Name : The remote Windows host is affected by a privilege escalation vulnerability.
File : smb_nt_ms14-039.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2014-07-17 00:24:56
  • Multiple Updates
2014-07-17 00:16:24
  • Multiple Updates
2014-07-12 00:21:51
  • Multiple Updates
2014-07-09 21:28:23
  • Multiple Updates
2014-07-09 13:29:18
  • Multiple Updates
2014-07-09 13:25:41
  • Multiple Updates
2014-07-09 11:24:11
  • Multiple Updates
2014-07-09 05:27:33
  • Multiple Updates
2014-07-08 21:29:31
  • Multiple Updates
2014-07-08 21:18:15
  • First insertion