# CVE-2017-8515: Windows VAD Cloning Denial of Service Vulnerability

CVE-2017-8515 is fixed in 8 products on 1 platform, first by KB4022714, released June 13, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-8515
- Priority: Routine
- CVSS: 4.7 (Important)
- EPSS: 0.0182
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Jun 13, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8515

## Description

<p>A denial of service vulnerability exists in Microsoft Windows when an unauthenticated attacker sends a specially crafted kernel mode request.</p> <p>An attacker who successfully exploited this vulnerability could cause a denial of service on the target system, causing the machine to either stop responding or reboot.</p> <p>The security update addresses the vulnerability by changing how Windows handles certain types of kernel mode requests.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.962 | [KB4022714](https://patchblox.com/security/data/fix/microsoft/kb4022714.md) | Jun 13, 2017 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.962 | [KB4022714](https://patchblox.com/security/data/fix/microsoft/kb4022714.md) | Jun 13, 2017 |
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1358 | [KB4022715](https://patchblox.com/security/data/fix/microsoft/kb4022715.md) | Jun 13, 2017 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.1358 | [KB4022715](https://patchblox.com/security/data/fix/microsoft/kb4022715.md) | Jun 13, 2017 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems |  | [KB4022725](https://patchblox.com/security/data/fix/microsoft/kb4022725.md) | Jun 13, 2017 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems |  | [KB4022725](https://patchblox.com/security/data/fix/microsoft/kb4022725.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2016 | 14393.1358 | [KB4022715](https://patchblox.com/security/data/fix/microsoft/kb4022715.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.1358 | [KB4022715](https://patchblox.com/security/data/fix/microsoft/kb4022715.md) | Jun 13, 2017 |

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Data as of 2026-11-07T12:40:37Z 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