# CVE-2020-1445: Microsoft Office Information Disclosure Vulnerability

CVE-2020-1445 is fixed in 16 products on 1 platform, first by KB4484456, released July 14, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-1445
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.0612
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Jul 14, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1445

## Description

<p>An information disclosure vulnerability exists when Microsoft Office improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location 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 Office 2010 Service Pack 2 (32-bit editions) |  | [KB4484456](https://patchblox.com/security/data/fix/microsoft/kb4484456.md) | Jul 14, 2020 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB4484456](https://patchblox.com/security/data/fix/microsoft/kb4484456.md) | Jul 14, 2020 |
| Microsoft | Microsoft Office Online Server |  | [KB4484451](https://patchblox.com/security/data/fix/microsoft/kb4484451.md) | Jul 14, 2020 |
| Microsoft | Microsoft Office Web Apps 2010 Service Pack 2 |  | [KB4484381](https://patchblox.com/security/data/fix/microsoft/kb4484381.md) | Jul 14, 2020 |
| Microsoft | Microsoft Office Web Apps 2013 Service Pack 1 |  | [KB4484357](https://patchblox.com/security/data/fix/microsoft/kb4484357.md) | Jul 14, 2020 |
| Microsoft | Microsoft SharePoint Enterprise Server 2013 Service Pack 1 |  | [KB4484348](https://patchblox.com/security/data/fix/microsoft/kb4484348.md) | Jul 14, 2020 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4484436](https://patchblox.com/security/data/fix/microsoft/kb4484436.md) | Jul 14, 2020 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4484440](https://patchblox.com/security/data/fix/microsoft/kb4484440.md) | Jul 14, 2020 |
| Microsoft | Microsoft SharePoint Server 2010 Service Pack 2 |  | [KB4484370](https://patchblox.com/security/data/fix/microsoft/kb4484370.md) | Jul 14, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484452](https://patchblox.com/security/data/fix/microsoft/kb4484452.md) | Jul 14, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484453](https://patchblox.com/security/data/fix/microsoft/kb4484453.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (32-bit editions) |  | [KB4484458](https://patchblox.com/security/data/fix/microsoft/kb4484458.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (64-bit editions) |  | [KB4484458](https://patchblox.com/security/data/fix/microsoft/kb4484458.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2013 RT Service Pack 1 |  | [KB4484446](https://patchblox.com/security/data/fix/microsoft/kb4484446.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2013 Service Pack 1 (32-bit editions) |  | [KB4484446](https://patchblox.com/security/data/fix/microsoft/kb4484446.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2013 Service Pack 1 (64-bit editions) |  | [KB4484446](https://patchblox.com/security/data/fix/microsoft/kb4484446.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2016 (32-bit edition) |  | [KB4484438](https://patchblox.com/security/data/fix/microsoft/kb4484438.md) | Jul 14, 2020 |
| Microsoft | Microsoft Word 2016 (64-bit edition) |  | [KB4484438](https://patchblox.com/security/data/fix/microsoft/kb4484438.md) | Jul 14, 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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