Microsoft Windows Vista SP2 up to Server 2012 Kernel-Mode Driver win32k.sys access control

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CTI Interest Score
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A vulnerability was found in Microsoft Windows Vista SP2 up to Server 2012 (Operating System). It has been classified as critical. Affected is an unknown code block in the library win32k.sys of the component Kernel-Mode Driver. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2 and R2 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, aka "Win32k Elevation of Privilege Vulnerability."

The weakness was disclosed 07/14/2015 as MS15-073 as confirmed bulletin (Technet). The advisory is shared for download at This vulnerability is traded as CVE-2015-2365 since 03/19/2015. The attack needs to be approached locally. The requirement for exploitation is a authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 84747 (MS15-073: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (3070102)), 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 91065 (Microsoft Windows Kernel-Mode Driver Elevation of Privilege Vulnerabilities (MS15-073)).

Applying the patch MS15-073 is able to eliminate this problem. The bugfix is ready for download at

The vulnerability is also documented in the vulnerability database at Tenable (84747).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

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Class: Access control
CWE: CWE-264

Local: Yes
Remote: No

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Status: Proof-of-Concept
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Nessus ID: 84747
Nessus Name: MS15-073: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (3070102)
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Recommended: Patch
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Patch: MS15-073


03/19/2015 🔍
07/14/2015 +117 days 🔍
07/14/2015 +0 days 🔍
07/14/2015 +0 days 🔍
07/15/2015 +1 days 🔍
07/15/2015 +0 days 🔍
05/31/2022 +2512 days 🔍



Advisory: MS15-073
Status: Confirmed

CVE: CVE-2015-2365 (🔍)

SecurityTracker: 1032904
Vulnerability Center: 51222 - [MS15-073] Microsoft Windows Local Privilege Escalation in win32k.sys Kernel-Mode Drivers - CVE-2015-2365, High
SecurityFocus: 75654

scip Labs:


Created: 07/15/2015 12:42 PM
Updated: 05/31/2022 12:42 PM
Changes: 07/15/2015 12:42 PM (62), 04/07/2017 02:24 PM (7), 05/31/2022 12:34 PM (3), 05/31/2022 12:42 PM (1)
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Cache ID: 3:751:40


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