# CVE-2017-8633: Windows Error Reporting Elevation of Privilege Vulnerability CVE-2017-8633 is fixed in 27 products on 1 platform, first by KB4034660, released August 8, 2017. 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-2017-8633 - Priority: Urgent - CVSS: 7.5 (Important) - EPSS: 0.0389 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: yes - Vendor exploitability assessment: Exploitation More Likely - Published: Aug 8, 2017 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8633 ## Description

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.

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.

The security update addresses the vulnerability by correcting the way that WER handles and executes files.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 10 Version 1511 for 32-bit Systems | 10586.1045 | [KB4034660](https://patchblox.com/security/data/fix/microsoft/kb4034660.md) | Aug 8, 2017 | | Microsoft | Windows 10 Version 1511 for x64-based Systems | 10586.1045 | [KB4034660](https://patchblox.com/security/data/fix/microsoft/kb4034660.md) | Aug 8, 2017 | | Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.1593 | [KB4034658](https://patchblox.com/security/data/fix/microsoft/kb4034658.md) | Aug 8, 2017 | | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.1593 | [KB4034658](https://patchblox.com/security/data/fix/microsoft/kb4034658.md) | Aug 8, 2017 | | Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.540 | [KB4034674](https://patchblox.com/security/data/fix/microsoft/kb4034674.md) | Aug 8, 2017 | | Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.540 | [KB4034674](https://patchblox.com/security/data/fix/microsoft/kb4034674.md) | Aug 8, 2017 | | Microsoft | Windows 10 for 32-bit Systems | 10240.17533 | [KB4034668](https://patchblox.com/security/data/fix/microsoft/kb4034668.md) | Aug 8, 2017 | | Microsoft | Windows 10 for x64-based Systems | 10240.17533 | [KB4034668](https://patchblox.com/security/data/fix/microsoft/kb4034668.md) | Aug 8, 2017 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4034679](https://patchblox.com/security/data/fix/microsoft/kb4034679.md) | Aug 8, 2017 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4034664](https://patchblox.com/security/data/fix/microsoft/kb4034664.md) | Aug 8, 2017 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4034679](https://patchblox.com/security/data/fix/microsoft/kb4034679.md) | Aug 8, 2017 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4034664](https://patchblox.com/security/data/fix/microsoft/kb4034664.md) | Aug 8, 2017 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4034672](https://patchblox.com/security/data/fix/microsoft/kb4034672.md) | Aug 8, 2017 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4034681](https://patchblox.com/security/data/fix/microsoft/kb4034681.md) | Aug 8, 2017 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4034672](https://patchblox.com/security/data/fix/microsoft/kb4034672.md) | Aug 8, 2017 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4034681](https://patchblox.com/security/data/fix/microsoft/kb4034681.md) | Aug 8, 2017 | | Microsoft | Windows RT 8.1 | | [KB4034681](https://patchblox.com/security/data/fix/microsoft/kb4034681.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4034679](https://patchblox.com/security/data/fix/microsoft/kb4034679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4034664](https://patchblox.com/security/data/fix/microsoft/kb4034664.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4034679](https://patchblox.com/security/data/fix/microsoft/kb4034679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4034664](https://patchblox.com/security/data/fix/microsoft/kb4034664.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4034679](https://patchblox.com/security/data/fix/microsoft/kb4034679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4034664](https://patchblox.com/security/data/fix/microsoft/kb4034664.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4035679](https://patchblox.com/security/data/fix/microsoft/kb4035679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4035679](https://patchblox.com/security/data/fix/microsoft/kb4035679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4035679](https://patchblox.com/security/data/fix/microsoft/kb4035679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4035679](https://patchblox.com/security/data/fix/microsoft/kb4035679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4035679](https://patchblox.com/security/data/fix/microsoft/kb4035679.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 | | [KB4034666](https://patchblox.com/security/data/fix/microsoft/kb4034666.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 | | [KB4034665](https://patchblox.com/security/data/fix/microsoft/kb4034665.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4034666](https://patchblox.com/security/data/fix/microsoft/kb4034666.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4034665](https://patchblox.com/security/data/fix/microsoft/kb4034665.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 R2 | | [KB4034672](https://patchblox.com/security/data/fix/microsoft/kb4034672.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 R2 | | [KB4034681](https://patchblox.com/security/data/fix/microsoft/kb4034681.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4034672](https://patchblox.com/security/data/fix/microsoft/kb4034672.md) | Aug 8, 2017 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4034681](https://patchblox.com/security/data/fix/microsoft/kb4034681.md) | Aug 8, 2017 | | Microsoft | Windows Server 2016 | 14393.1593 | [KB4034658](https://patchblox.com/security/data/fix/microsoft/kb4034658.md) | Aug 8, 2017 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.1593 | [KB4034658](https://patchblox.com/security/data/fix/microsoft/kb4034658.md) | Aug 8, 2017 | --- 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