Executive Summary

Title Vulnerability in Windows Installer Service Could Allow Elevation of Privilege (2962490)
Name MS14-049 First vendor Publication 2014-08-12
Vendor Microsoft Last vendor Modification 2014-09-24
Severity (Vendor) Important Revision 1.2

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:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Severity Rating: Important
Revision Note: V1.2 (September 24, 2014): Bulletin revised to change Known issues entry in the Knowledge Base Article section from None to Yes.
Summary: This security update resolves a privately disclosed vulnerability in Microsoft Windows. The vulnerability could allow elevation of privilege if an attacker runs a specially crafted application that attempts to repair a previously-installed application. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability.

Original Source

Url : https://technet.microsoft.com/en-us/library/security/MS14-049

CWE : Common Weakness Enumeration

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

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:26341
Oval ID: oval:org.mitre.oval:def:26341
Title: Windows installer repair vulnerability - CVE-2014-1814 (MS14-049)
Description: The Windows Installer in Microsoft Windows Server 2003 SP2, 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 allows local users to gain privileges via a crafted application that invokes the repair feature for a different application, aka "Windows Installer Repair Vulnerability."
Family: windows Class: vulnerability
Reference(s): CVE-2014-1814
Version: 3
Platform(s): Microsoft Windows 7
Microsoft Windows 8
Microsoft Windows Server 2012
Microsoft Windows 8.1
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2003
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 1
Os 3
Os 2
Os 1

Nessus® Vulnerability Scanner

Date Description
2014-08-12 Name : The remote Windows host is affected by a privilege escalation vulnerability.
File : smb_nt_ms14-049.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2016-04-27 02:06:32
  • Multiple Updates
2014-09-25 05:29:26
  • Multiple Updates
2014-09-25 05:17:55
  • Multiple Updates
2014-08-21 05:29:46
  • Multiple Updates
2014-08-21 05:18:04
  • Multiple Updates
2014-08-14 09:25:14
  • Multiple Updates
2014-08-13 13:25:00
  • Multiple Updates
2014-08-13 05:25:48
  • Multiple Updates
2014-08-12 21:29:09
  • Multiple Updates
2014-08-12 21:18:22
  • First insertion