# CVE-2017-0259: Windows Kernel Information Disclosure Vulnerability

CVE-2017-0259 is fixed in 15 products on 1 platform, first by KB4019473, released May 9, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-0259
- Priority: Routine
- CVSS: 4.7 (Important)
- EPSS: 0.0966
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: May 9, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-0259

## Description

<p>An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.</p> <p>To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.916 | [KB4019473](https://patchblox.com/security/data/fix/microsoft/kb4019473.md) | May 9, 2017 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.916 | [KB4019473](https://patchblox.com/security/data/fix/microsoft/kb4019473.md) | May 9, 2017 |
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1198 | [KB4019472](https://patchblox.com/security/data/fix/microsoft/kb4019472.md) | May 9, 2017 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.1198 | [KB4019472](https://patchblox.com/security/data/fix/microsoft/kb4019472.md) | May 9, 2017 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems |  | [KB4016871](https://patchblox.com/security/data/fix/microsoft/kb4016871.md) | May 9, 2017 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems |  | [KB4016871](https://patchblox.com/security/data/fix/microsoft/kb4016871.md) | May 9, 2017 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.17394 | [KB4019474](https://patchblox.com/security/data/fix/microsoft/kb4019474.md) | May 9, 2017 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17394 | [KB4019474](https://patchblox.com/security/data/fix/microsoft/kb4019474.md) | May 9, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4019213](https://patchblox.com/security/data/fix/microsoft/kb4019213.md) | May 9, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4019215](https://patchblox.com/security/data/fix/microsoft/kb4019215.md) | May 9, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4019213](https://patchblox.com/security/data/fix/microsoft/kb4019213.md) | May 9, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4019215](https://patchblox.com/security/data/fix/microsoft/kb4019215.md) | May 9, 2017 |
| Microsoft | Windows RT 8.1 |  | [KB4019215](https://patchblox.com/security/data/fix/microsoft/kb4019215.md) | May 9, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4019213](https://patchblox.com/security/data/fix/microsoft/kb4019213.md) | May 9, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4019215](https://patchblox.com/security/data/fix/microsoft/kb4019215.md) | May 9, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4019213](https://patchblox.com/security/data/fix/microsoft/kb4019213.md) | May 9, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4019215](https://patchblox.com/security/data/fix/microsoft/kb4019215.md) | May 9, 2017 |
| Microsoft | Windows Server 2016 | 14393.1198 | [KB4019472](https://patchblox.com/security/data/fix/microsoft/kb4019472.md) | May 9, 2017 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.1198 | [KB4019472](https://patchblox.com/security/data/fix/microsoft/kb4019472.md) | May 9, 2017 |

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Data as of 2026-11-07T06:34:28Z 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