# CVE-2020-0813: Scripting Engine Information Disclosure Vulnerability

CVE-2020-0813 is fixed in 16 products on 1 platform, first by KB4540681, released March 10, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-0813
- Priority: Routine
- CVSS: 4.3 (Important)
- EPSS: 0.0546
- 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-2020-0813

## Description

<p>An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker must know the memory address of where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain functions handle objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems | 16299.1747 | [KB4540681](https://patchblox.com/security/data/fix/microsoft/kb4540681.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems | 16299.1747 | [KB4540681](https://patchblox.com/security/data/fix/microsoft/kb4540681.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems | 16299.1747 | [KB4540681](https://patchblox.com/security/data/fix/microsoft/kb4540681.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems | 17134.1365 | [KB4540689](https://patchblox.com/security/data/fix/microsoft/kb4540689.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems |  | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems |  | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems |  | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systems |  | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems |  | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems |  | [KB4540673](https://patchblox.com/security/data/fix/microsoft/kb4540673.md) | Mar 10, 2020 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows Server 2019 | 17763.1098 | [KB4538461](https://patchblox.com/security/data/fix/microsoft/kb4538461.md) | Mar 10, 2020 |

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Data as of 2026-11-08T00:53:09Z 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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