# CVE-2017-8584: Broadcom BCM43xx Remote Code Execution Vulnerability

CVE-2017-8584 is fixed in 4 products on 1 platform, first by KB4025339, released July 11, 2017. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2017-8584
- Priority: Urgent
- CVSS: 7.5 (Critical)
- EPSS: 0.0422
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: yes
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jul 11, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8584

## Description

<p>A remote code execution vulnerability exists when the Broadcom chipset in HoloLens improperly handles objects in memory. An attacker who successfully exploited this vulnerability could take control of an affected system. 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 need to send a specially crafted WiFi packet.</p> <p>The update addresses the vulnerability by correcting how the Broadcom chipset in HoloLens handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1480 | [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 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 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo