# CVE-2020-0806: Windows Error Reporting Elevation of Privilege Vulnerability CVE-2020-0806 is fixed in 37 products on 1 platform, first by KB4540670, released March 10, 2020. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2020-0806 - Priority: High - CVSS: 7.8 (Important) - EPSS: 0.0078 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: Mar 10, 2020 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0806 ## 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 1607 for 32-bit Systems | 14393.3564 | [KB4540670](https://patchblox.com/security/data/fix/microsoft/kb4540670.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.3564 | [KB4540670](https://patchblox.com/security/data/fix/microsoft/kb4540670.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.1747 | [KB4540681](https://patchblox.com/security/data/fix/microsoft/kb4540681.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1747 | [KB4540681](https://patchblox.com/security/data/fix/microsoft/kb4540681.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1747 | [KB4540681](https://patchblox.com/security/data/fix/microsoft/kb4540681.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1903 for 32-bit Systems | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1903 for ARM64-based Systems | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1903 for x64-based Systems | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1909 for 32-bit Systems | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1909 for ARM64-based Systems | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows 10 Version 1909 for x64-based Systems | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows 10 for 32-bit Systems | 10240.18519 | [KB4540693](https://patchblox.com/security/data/fix/microsoft/kb4540693.md) | Mar 10, 2020 | | Microsoft | Windows 10 for x64-based Systems | 10240.18519 | [KB4540693](https://patchblox.com/security/data/fix/microsoft/kb4540693.md) | Mar 10, 2020 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4541500](https://patchblox.com/security/data/fix/microsoft/kb4541500.md) | Mar 10, 2020 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4540688](https://patchblox.com/security/data/fix/microsoft/kb4540688.md) | Mar 10, 2020 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4541500](https://patchblox.com/security/data/fix/microsoft/kb4541500.md) | Mar 10, 2020 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4540688](https://patchblox.com/security/data/fix/microsoft/kb4540688.md) | Mar 10, 2020 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4541505](https://patchblox.com/security/data/fix/microsoft/kb4541505.md) | Mar 10, 2020 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4541509](https://patchblox.com/security/data/fix/microsoft/kb4541509.md) | Mar 10, 2020 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4541505](https://patchblox.com/security/data/fix/microsoft/kb4541505.md) | Mar 10, 2020 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4541509](https://patchblox.com/security/data/fix/microsoft/kb4541509.md) | Mar 10, 2020 | | Microsoft | Windows RT 8.1 | | [KB4541509](https://patchblox.com/security/data/fix/microsoft/kb4541509.md) | Mar 10, 2020 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4541500](https://patchblox.com/security/data/fix/microsoft/kb4541500.md) | Mar 10, 2020 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4540688](https://patchblox.com/security/data/fix/microsoft/kb4540688.md) | Mar 10, 2020 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4541500](https://patchblox.com/security/data/fix/microsoft/kb4541500.md) | Mar 10, 2020 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4540688](https://patchblox.com/security/data/fix/microsoft/kb4540688.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 | | [KB4540694](https://patchblox.com/security/data/fix/microsoft/kb4540694.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 | | [KB4541510](https://patchblox.com/security/data/fix/microsoft/kb4541510.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4540694](https://patchblox.com/security/data/fix/microsoft/kb4540694.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4541510](https://patchblox.com/security/data/fix/microsoft/kb4541510.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 R2 | | [KB4541505](https://patchblox.com/security/data/fix/microsoft/kb4541505.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 R2 | | [KB4541509](https://patchblox.com/security/data/fix/microsoft/kb4541509.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4541505](https://patchblox.com/security/data/fix/microsoft/kb4541505.md) | Mar 10, 2020 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4541509](https://patchblox.com/security/data/fix/microsoft/kb4541509.md) | Mar 10, 2020 | | Microsoft | Windows Server 2016 | 14393.3564 | [KB4540670](https://patchblox.com/security/data/fix/microsoft/kb4540670.md) | Mar 10, 2020 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.3564 | [KB4540670](https://patchblox.com/security/data/fix/microsoft/kb4540670.md) | Mar 10, 2020 | | Microsoft | Windows Server 2019 | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 | | Microsoft | Windows Server, version 1803 (Server Core Installation) | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 | | Microsoft | Windows Server, version 1903 (Server Core installation) | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | | Microsoft | Windows Server, version 1909 (Server Core installation) | | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 | --- 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