# CVE-2017-8494: Windows Elevation of Privilege Vulnerability

CVE-2017-8494 is fixed in 8 products on 1 platform, first by KB4022714, released June 13, 2017. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2017-8494
- Priority: High
- CVSS: 7.0 (Important)
- EPSS: 0.0195
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jun 13, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8494

## Description

<p>An elevation of privilege vulnerability exists when Windows Secure Kernel Mode fails to properly handle objects in memory.</p> <p>To exploit the vulnerability, a locally-authenticated attacker could attempt to run a specially crafted application on a targeted system. An attacker who successfully exploited the vulnerability could violate virtual trust levels (VTL).</p> <p>The security update addresses the vulnerability by correcting how Windows handles objects in memory to properly enforce VTLs.</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 for 32-bit Systems | 10240.17443 | [KB4022727](https://patchblox.com/security/data/fix/microsoft/kb4022727.md) | Jun 13, 2017 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17443 | [KB4022727](https://patchblox.com/security/data/fix/microsoft/kb4022727.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 2026-11-07T06:34:28Z 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