# CVE-2020-0716: Win32k Information Disclosure Vulnerability

CVE-2020-0716 is fixed in 14 products on 1 platform, first by KB4537764, released February 11, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-0716
- Priority: Routine
- CVSS: 5.5 (Important)
- EPSS: 0.0145
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: N/A
- Published: Feb 11, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0716

## Description

<p>An information disclosure vulnerability exists when the win32k component improperly provides kernel information. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting how win32k handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.3504 | [KB4537764](https://patchblox.com/security/data/fix/microsoft/kb4537764.md) | Feb 11, 2020 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.3504 | [KB4537764](https://patchblox.com/security/data/fix/microsoft/kb4537764.md) | Feb 11, 2020 |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.1686 | [KB4537789](https://patchblox.com/security/data/fix/microsoft/kb4537789.md) | Feb 11, 2020 |
| Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.1686 | [KB4537789](https://patchblox.com/security/data/fix/microsoft/kb4537789.md) | Feb 11, 2020 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.1686 | [KB4537789](https://patchblox.com/security/data/fix/microsoft/kb4537789.md) | Feb 11, 2020 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.18486 | [KB4537776](https://patchblox.com/security/data/fix/microsoft/kb4537776.md) | Feb 11, 2020 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18486 | [KB4537776](https://patchblox.com/security/data/fix/microsoft/kb4537776.md) | Feb 11, 2020 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4537803](https://patchblox.com/security/data/fix/microsoft/kb4537803.md) | Feb 11, 2020 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4537821](https://patchblox.com/security/data/fix/microsoft/kb4537821.md) | Feb 11, 2020 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4537803](https://patchblox.com/security/data/fix/microsoft/kb4537803.md) | Feb 11, 2020 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4537821](https://patchblox.com/security/data/fix/microsoft/kb4537821.md) | Feb 11, 2020 |
| Microsoft | Windows RT 8.1 |  | [KB4537821](https://patchblox.com/security/data/fix/microsoft/kb4537821.md) | Feb 11, 2020 |
| Microsoft | Windows Server 2012 R2 |  | [KB4537803](https://patchblox.com/security/data/fix/microsoft/kb4537803.md) | Feb 11, 2020 |
| Microsoft | Windows Server 2012 R2 |  | [KB4537821](https://patchblox.com/security/data/fix/microsoft/kb4537821.md) | Feb 11, 2020 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4537803](https://patchblox.com/security/data/fix/microsoft/kb4537803.md) | Feb 11, 2020 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4537821](https://patchblox.com/security/data/fix/microsoft/kb4537821.md) | Feb 11, 2020 |
| Microsoft | Windows Server 2016 | 14393.3504 | [KB4537764](https://patchblox.com/security/data/fix/microsoft/kb4537764.md) | Feb 11, 2020 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.3504 | [KB4537764](https://patchblox.com/security/data/fix/microsoft/kb4537764.md) | Feb 11, 2020 |

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Data as of 2026-11-07T18:46:35Z 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

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