# CVE-2018-8471: Microsoft RemoteFX Virtual GPU miniport driver Elevation of Privilege Vulnerability

CVE-2018-8471 is fixed in 18 products on 1 platform, first by KB4467691, released November 13, 2018. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2018-8471
- Priority: High
- CVSS: 7.0 (Important)
- EPSS: 0.0119
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Nov 13, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8471

## Description

<p>An elevation of privilege vulnerability exists in the way that the Microsoft RemoteFX Virtual GPU miniport driver handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</p> <p>To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by ensuring the Microsoft RemoteFX Virtual GPU miniport driver properly handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.1446 | [KB4467696](https://patchblox.com/security/data/fix/microsoft/kb4467696.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1446 | [KB4467696](https://patchblox.com/security/data/fix/microsoft/kb4467696.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.785 | [KB4467686](https://patchblox.com/security/data/fix/microsoft/kb4467686.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.785 | [KB4467686](https://patchblox.com/security/data/fix/microsoft/kb4467686.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.18036 | [KB4467680](https://patchblox.com/security/data/fix/microsoft/kb4467680.md) | Nov 13, 2018 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18036 | [KB4467680](https://patchblox.com/security/data/fix/microsoft/kb4467680.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4467703](https://patchblox.com/security/data/fix/microsoft/kb4467703.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4467703](https://patchblox.com/security/data/fix/microsoft/kb4467703.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2016 | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2019 | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 |

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