# CVE-2017-0188: Win32k Information Disclosure Vulnerability

CVE-2017-0188 is fixed in 17 products on 1 platform, first by KB4015219, released April 11, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-0188
- Priority: Routine
- CVSS: 4.4 (Important)
- EPSS: 0.0298
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 11, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-0188

## Description

<p>An information disclosure vulnerability exists when the win32k component improperly provides kernel information. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting how win32k handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.873 | [KB4015219](https://patchblox.com/security/data/fix/microsoft/kb4015219.md) | Apr 11, 2017 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.873 | [KB4015219](https://patchblox.com/security/data/fix/microsoft/kb4015219.md) | Apr 11, 2017 |
| Microsoft | Windows 10 Version 1607 for 32-bit Systems |  | [KB4015217](https://patchblox.com/security/data/fix/microsoft/kb4015217.md) | Apr 11, 2017 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems |  | [KB4015217](https://patchblox.com/security/data/fix/microsoft/kb4015217.md) | Apr 11, 2017 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.138 | [KB4015583](https://patchblox.com/security/data/fix/microsoft/kb4015583.md) | Apr 11, 2017 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.138 | [KB4015583](https://patchblox.com/security/data/fix/microsoft/kb4015583.md) | Apr 11, 2017 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.17354 | [KB4015221](https://patchblox.com/security/data/fix/microsoft/kb4015221.md) | Apr 11, 2017 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17354 | [KB4015221](https://patchblox.com/security/data/fix/microsoft/kb4015221.md) | Apr 11, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4015547](https://patchblox.com/security/data/fix/microsoft/kb4015547.md) | Apr 11, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4015550](https://patchblox.com/security/data/fix/microsoft/kb4015550.md) | Apr 11, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4015547](https://patchblox.com/security/data/fix/microsoft/kb4015547.md) | Apr 11, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4015550](https://patchblox.com/security/data/fix/microsoft/kb4015550.md) | Apr 11, 2017 |
| Microsoft | Windows RT 8.1 |  | [KB4015550](https://patchblox.com/security/data/fix/microsoft/kb4015550.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 |  | [KB4015551](https://patchblox.com/security/data/fix/microsoft/kb4015551.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 |  | [KB4015548](https://patchblox.com/security/data/fix/microsoft/kb4015548.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4015551](https://patchblox.com/security/data/fix/microsoft/kb4015551.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4015548](https://patchblox.com/security/data/fix/microsoft/kb4015548.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4015547](https://patchblox.com/security/data/fix/microsoft/kb4015547.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4015550](https://patchblox.com/security/data/fix/microsoft/kb4015550.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4015547](https://patchblox.com/security/data/fix/microsoft/kb4015547.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4015550](https://patchblox.com/security/data/fix/microsoft/kb4015550.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2016 |  | [KB4015217](https://patchblox.com/security/data/fix/microsoft/kb4015217.md) | Apr 11, 2017 |
| Microsoft | Windows Server 2016 (Server Core installation) |  | [KB4015217](https://patchblox.com/security/data/fix/microsoft/kb4015217.md) | Apr 11, 2017 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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