Microsoft Windows XP up to XP win32k.sys access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability was found in Microsoft Windows XP up to XP (Operating System). It has been rated as critical. Affected by this issue is an unknown part of the file win32k.sys. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, and integrity.

The weakness was shared 07/09/2013 by Alexandar Chizhov (Dr.Web) as MS13-053 as confirmed bulletin (Microsoft Technet). The advisory is shared for download at The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2013-1340 since 01/12/2013. The exploitation is known to be difficult. The attack needs to be approached locally. A simple authentication is necessary for exploitation. Technical details as well as a exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/18/2021). The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as proof-of-concept. The exploit is available at As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 67210 (MS13-053: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution (2850851)), 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 90894 (Microsoft Windows Kernel-Mode Drivers Remote Code Execution (MS13-053)).

Applying the patch MS13-053 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 databases at SecurityFocus (BID 60960), Vulnerability Center (SBV-40388) and Tenable (67210). The entries 8829, 9398, 9399 and 9400 are related to this item.





CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Privilege escalation
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 67210
Nessus Name: MS13-053: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Remote Code Execution (2850851)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902978
OpenVAS Name: MS Windows Kernel-Mode Drivers Remote Code Execution Vulnerabilities (2850851)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS13-053


01/12/2013 🔍
07/04/2013 +173 days 🔍
07/09/2013 +5 days 🔍
07/09/2013 +0 days 🔍
07/09/2013 +0 days 🔍
07/10/2013 +1 days 🔍
07/10/2013 +0 days 🔍
06/10/2015 +700 days 🔍
05/18/2021 +2169 days 🔍



Advisory: MS13-053
Researcher: Alexandar Chizhov (Dr.Web)
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-1340 (🔍)

SecurityFocus: 60960
Vulnerability Center: 40388 - [MS13-053] Microsoft Windows XP, Server 2003, Vista, Server 2008, Windows 7, Windows 8, Server 2012, and Windows RT Win32k Dereference Vulnerability, High
OSVDB: 94966 - Microsoft Windows win32k.sys Memory Object Dereference Handling Local Privilege Escalation

scip Labs:
See also: 🔍


Created: 07/10/2013 03:29 PM
Updated: 05/18/2021 08:52 AM
Changes: (2) source_nessus_risk source_exploitdb
Complete: 🔍


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