# CVE-2020-1067: Windows Remote Code Execution Vulnerability

CVE-2020-1067 is fixed in 41 products on 1 platform, first by KB4556813, released May 12, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-1067
- Priority: High
- CVSS: 7.8 (Important)
- EPSS: 0.0254
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: May 12, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1067

## Description

<p>A remote code execution vulnerability exists in the way that Windows handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system.</p> <p>To exploit the vulnerability, an attacker who has a domain user account could create a specially crafted request, causing Windows to execute arbitrary code with elevated permissions.</p> <p>The security update addresses the vulnerability by correcting how Windows handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.3686 | [KB4556813](https://patchblox.com/security/data/fix/microsoft/kb4556813.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.3686 | [KB4556813](https://patchblox.com/security/data/fix/microsoft/kb4556813.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.1868 | [KB4556812](https://patchblox.com/security/data/fix/microsoft/kb4556812.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1868 | [KB4556812](https://patchblox.com/security/data/fix/microsoft/kb4556812.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1868 | [KB4556812](https://patchblox.com/security/data/fix/microsoft/kb4556812.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.1488 | [KB4556807](https://patchblox.com/security/data/fix/microsoft/kb4556807.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.1488 | [KB4556807](https://patchblox.com/security/data/fix/microsoft/kb4556807.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.1488 | [KB4556807](https://patchblox.com/security/data/fix/microsoft/kb4556807.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.1217 | [KB4551853](https://patchblox.com/security/data/fix/microsoft/kb4551853.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.1217 | [KB4551853](https://patchblox.com/security/data/fix/microsoft/kb4551853.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.1217 | [KB4551853](https://patchblox.com/security/data/fix/microsoft/kb4551853.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1903 for x64-based Systems |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1909 for 32-bit Systems |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows 10 Version 1909 for x64-based Systems |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.18575 | [KB4556826](https://patchblox.com/security/data/fix/microsoft/kb4556826.md) | May 12, 2020 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18575 | [KB4556826](https://patchblox.com/security/data/fix/microsoft/kb4556826.md) | May 12, 2020 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4556836](https://patchblox.com/security/data/fix/microsoft/kb4556836.md) | May 12, 2020 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4556843](https://patchblox.com/security/data/fix/microsoft/kb4556843.md) | May 12, 2020 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4556836](https://patchblox.com/security/data/fix/microsoft/kb4556836.md) | May 12, 2020 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4556843](https://patchblox.com/security/data/fix/microsoft/kb4556843.md) | May 12, 2020 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4556853](https://patchblox.com/security/data/fix/microsoft/kb4556853.md) | May 12, 2020 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4556846](https://patchblox.com/security/data/fix/microsoft/kb4556846.md) | May 12, 2020 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4556853](https://patchblox.com/security/data/fix/microsoft/kb4556853.md) | May 12, 2020 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4556846](https://patchblox.com/security/data/fix/microsoft/kb4556846.md) | May 12, 2020 |
| Microsoft | Windows RT 8.1 |  | [KB4556846](https://patchblox.com/security/data/fix/microsoft/kb4556846.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4556836](https://patchblox.com/security/data/fix/microsoft/kb4556836.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4556843](https://patchblox.com/security/data/fix/microsoft/kb4556843.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4556836](https://patchblox.com/security/data/fix/microsoft/kb4556836.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4556843](https://patchblox.com/security/data/fix/microsoft/kb4556843.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4556860](https://patchblox.com/security/data/fix/microsoft/kb4556860.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4556854](https://patchblox.com/security/data/fix/microsoft/kb4556854.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4556860](https://patchblox.com/security/data/fix/microsoft/kb4556860.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4556854](https://patchblox.com/security/data/fix/microsoft/kb4556854.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4556860](https://patchblox.com/security/data/fix/microsoft/kb4556860.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4556854](https://patchblox.com/security/data/fix/microsoft/kb4556854.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4556860](https://patchblox.com/security/data/fix/microsoft/kb4556860.md) | May 12, 2020 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4556854](https://patchblox.com/security/data/fix/microsoft/kb4556854.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 |  | [KB4556852](https://patchblox.com/security/data/fix/microsoft/kb4556852.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 |  | [KB4556840](https://patchblox.com/security/data/fix/microsoft/kb4556840.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4556852](https://patchblox.com/security/data/fix/microsoft/kb4556852.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4556840](https://patchblox.com/security/data/fix/microsoft/kb4556840.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 R2 |  | [KB4556853](https://patchblox.com/security/data/fix/microsoft/kb4556853.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 R2 |  | [KB4556846](https://patchblox.com/security/data/fix/microsoft/kb4556846.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4556853](https://patchblox.com/security/data/fix/microsoft/kb4556853.md) | May 12, 2020 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4556846](https://patchblox.com/security/data/fix/microsoft/kb4556846.md) | May 12, 2020 |
| Microsoft | Windows Server 2016 | 14393.3686 | [KB4556813](https://patchblox.com/security/data/fix/microsoft/kb4556813.md) | May 12, 2020 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.3686 | [KB4556813](https://patchblox.com/security/data/fix/microsoft/kb4556813.md) | May 12, 2020 |
| Microsoft | Windows Server 2019 | 17763.1217 | [KB4551853](https://patchblox.com/security/data/fix/microsoft/kb4551853.md) | May 12, 2020 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.1217 | [KB4551853](https://patchblox.com/security/data/fix/microsoft/kb4551853.md) | May 12, 2020 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.1488 | [KB4556807](https://patchblox.com/security/data/fix/microsoft/kb4556807.md) | May 12, 2020 |
| Microsoft | Windows Server, version 1903 (Server Core installation) |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |
| Microsoft | Windows Server, version 1909 (Server Core installation) |  | [KB4556799](https://patchblox.com/security/data/fix/microsoft/kb4556799.md) | May 12, 2020 |

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