Microsoft Windows Vista SP2 up to Server 2012 R2 Win32k information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in Microsoft Windows (Operating System) and classified as problematic. Affected by this vulnerability is some unknown processing of the component Win32k. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The bug was discovered 04/11/2017. The weakness was shared 04/11/2017 with Qihoo 360 Vulcan Team as KB4015195 / KB4015217 / KB4015219 / KB4015221 / KB4015549 / KB4015550 / KB4015551 / KB4015583 / KB4015550 as confirmed knowledge base article (Website). It is possible to read the advisory at This vulnerability is known as CVE-2017-0188 since 09/09/2016. Attacking locally is a requirement. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 99285 (Windows Server 2012 April 2017 Security Updates (Petya)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Applying a patch 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 Tenable (99285), SecurityFocus (BID 97475†) and SecurityTracker (ID 1038239†). Additional details are provided at







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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NVD Base Score: 3.3
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Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept
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Nessus ID: 99285
Nessus Name: Windows Server 2012 April 2017 Security Updates (Petya)
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OpenVAS ID: 800218
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4015583)
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Threat Intelligenceinfo

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Recommended: Patch
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09/09/2016 🔍
04/11/2017 +214 days 🔍
04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/11/2017 +0 days 🔍
04/12/2017 +1 days 🔍
04/12/2017 +0 days 🔍
04/12/2017 +0 days 🔍
11/28/2022 +2056 days 🔍



Advisory: KB4015195 / KB4015217 / KB4015219 / KB4015221 / KB4015549 / KB4015550 / KB4015551 / KB4015583 / KB4015550
Organization: Qihoo 360 Vulcan Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0188 (🔍)

SecurityFocus: 97475 - Microsoft Windows Kernel 'Win32k.sys' CVE-2017-0188 Local Privilege Escalation Vulnerability
SecurityTracker: 1038239

scip Labs:
Misc.: 🔍


Created: 04/12/2017 04:43 PM
Updated: 11/28/2022 05:43 PM
Changes: 04/12/2017 04:43 PM (81), 06/05/2020 05:10 PM (6), 11/28/2022 05:28 PM (3), 11/28/2022 05:36 PM (1), 11/28/2022 05:43 PM (1)
Complete: 🔍
Cache ID: 44:BC0:40


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