# CVE-2020-1502: Microsoft Word Information Disclosure Vulnerability

CVE-2020-1502 is fixed in 2 products on 1 platform, first by KB4484470, released August 11, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-1502
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.0464
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Aug 11, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1502

## Description

<p>An information disclosure vulnerability exists when Microsoft Word 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 Word functions handle objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office Online Server |  | [KB4484470](https://patchblox.com/security/data/fix/microsoft/kb4484470.md) | Aug 11, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484472](https://patchblox.com/security/data/fix/microsoft/kb4484472.md) | Aug 11, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484471](https://patchblox.com/security/data/fix/microsoft/kb4484471.md) | Aug 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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