# CVE-2018-8554: DirectX Elevation of Privilege Vulnerability

CVE-2018-8554 is fixed in 8 products on 1 platform, first by KB4467702, released November 13, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2018-8554
- Priority: Urgent
- CVSS: 7.0 (Important)
- EPSS: 0.0119
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Nov 13, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8554

## Description

<p>An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.</p> <p>The update addresses the vulnerability by correcting how DirectX handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| 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 ARM64-based 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 Server 2019 | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |

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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