# CVE-2017-8702: Windows Error Reporting Elevation of Privilege Vulnerability

CVE-2017-8702 is fixed in 8 products on 1 platform, first by KB4038783, released September 12, 2017. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2017-8702
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0101
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: N/A
- Published: Sep 12, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8702

## Description

<p>An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it.</p> <p>An attacker who successfully exploited the vulnerability could gain greater access to sensitive information and system functionality. To exploit the vulnerability, an attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting the way that WER handles and executes files.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.1106 | [KB4038783](https://patchblox.com/security/data/fix/microsoft/kb4038783.md) | Sep 12, 2017 |
| Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.1106 | [KB4038783](https://patchblox.com/security/data/fix/microsoft/kb4038783.md) | Sep 12, 2017 |
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1715 | [KB4038782](https://patchblox.com/security/data/fix/microsoft/kb4038782.md) | Sep 12, 2017 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.1715 | [KB4038782](https://patchblox.com/security/data/fix/microsoft/kb4038782.md) | Sep 12, 2017 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.17609 | [KB4038781](https://patchblox.com/security/data/fix/microsoft/kb4038781.md) | Sep 12, 2017 |
| Microsoft | Windows 10 for x64-based Systems | 10240.17609 | [KB4038781](https://patchblox.com/security/data/fix/microsoft/kb4038781.md) | Sep 12, 2017 |
| Microsoft | Windows Server 2016 | 14393.1715 | [KB4038782](https://patchblox.com/security/data/fix/microsoft/kb4038782.md) | Sep 12, 2017 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.1715 | [KB4038782](https://patchblox.com/security/data/fix/microsoft/kb4038782.md) | Sep 12, 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