# CVE-2017-8564: Windows Kernel Information Disclosure Vulnerability

CVE-2017-8564 is fixed in 27 products on 1 platform, first by KB4025344, released July 11, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-8564
- Priority: Routine
- CVSS: 4.7 (Important)
- EPSS: 0.0302
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Jul 11, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8564

## Description

<p>An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address. An attacker who successfully exploited this 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 the Windows kernel initializes memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.1007 | [KB4025344](https://patchblox.com/security/data/fix/microsoft/kb4025344.md) | Jul 11, 2017 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.1007 | [KB4025344](https://patchblox.com/security/data/fix/microsoft/kb4025344.md) | Jul 11, 2017 |
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1480 | [KB4025339](https://patchblox.com/security/data/fix/microsoft/kb4025339.md) | Jul 11, 2017 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.1480 | [KB4025339](https://patchblox.com/security/data/fix/microsoft/kb4025339.md) | Jul 11, 2017 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.483 | [KB4025342](https://patchblox.com/security/data/fix/microsoft/kb4025342.md) | Jul 11, 2017 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.483 | [KB4025342](https://patchblox.com/security/data/fix/microsoft/kb4025342.md) | Jul 11, 2017 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.17488 | [KB4025338](https://patchblox.com/security/data/fix/microsoft/kb4025338.md) | Jul 11, 2017 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17488 | [KB4025338](https://patchblox.com/security/data/fix/microsoft/kb4025338.md) | Jul 11, 2017 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4025341](https://patchblox.com/security/data/fix/microsoft/kb4025341.md) | Jul 11, 2017 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4025337](https://patchblox.com/security/data/fix/microsoft/kb4025337.md) | Jul 11, 2017 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4025341](https://patchblox.com/security/data/fix/microsoft/kb4025341.md) | Jul 11, 2017 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4025337](https://patchblox.com/security/data/fix/microsoft/kb4025337.md) | Jul 11, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4025333](https://patchblox.com/security/data/fix/microsoft/kb4025333.md) | Jul 11, 2017 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4025336](https://patchblox.com/security/data/fix/microsoft/kb4025336.md) | Jul 11, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4025333](https://patchblox.com/security/data/fix/microsoft/kb4025333.md) | Jul 11, 2017 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4025336](https://patchblox.com/security/data/fix/microsoft/kb4025336.md) | Jul 11, 2017 |
| Microsoft | Windows RT 8.1 |  | [KB4025336](https://patchblox.com/security/data/fix/microsoft/kb4025336.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4025341](https://patchblox.com/security/data/fix/microsoft/kb4025341.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4025337](https://patchblox.com/security/data/fix/microsoft/kb4025337.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4025341](https://patchblox.com/security/data/fix/microsoft/kb4025341.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4025337](https://patchblox.com/security/data/fix/microsoft/kb4025337.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4025341](https://patchblox.com/security/data/fix/microsoft/kb4025341.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4025337](https://patchblox.com/security/data/fix/microsoft/kb4025337.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4022748](https://patchblox.com/security/data/fix/microsoft/kb4022748.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4022748](https://patchblox.com/security/data/fix/microsoft/kb4022748.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 |  | [KB4022748](https://patchblox.com/security/data/fix/microsoft/kb4022748.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4022748](https://patchblox.com/security/data/fix/microsoft/kb4022748.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4022748](https://patchblox.com/security/data/fix/microsoft/kb4022748.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 |  | [KB4025343](https://patchblox.com/security/data/fix/microsoft/kb4025343.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 |  | [KB4025331](https://patchblox.com/security/data/fix/microsoft/kb4025331.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4025343](https://patchblox.com/security/data/fix/microsoft/kb4025343.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4025331](https://patchblox.com/security/data/fix/microsoft/kb4025331.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4025333](https://patchblox.com/security/data/fix/microsoft/kb4025333.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 R2 |  | [KB4025336](https://patchblox.com/security/data/fix/microsoft/kb4025336.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4025333](https://patchblox.com/security/data/fix/microsoft/kb4025333.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4025336](https://patchblox.com/security/data/fix/microsoft/kb4025336.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2016 | 14393.1480 | [KB4025339](https://patchblox.com/security/data/fix/microsoft/kb4025339.md) | Jul 11, 2017 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.1480 | [KB4025339](https://patchblox.com/security/data/fix/microsoft/kb4025339.md) | Jul 11, 2017 |

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Data as of 2026-11-06T17:00:54Z 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
