# CVE-2019-0801: Office Remote Code Execution Vulnerability

CVE-2019-0801 is fixed in 7 products on 1 platform, first by KB4462223, released April 9, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2019-0801
- Priority: Urgent
- CVSS: n/a (Important)
- EPSS: 0.1852
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Apr 9, 2019
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0801

## Description

<p>A remote code execution vulnerability exists when Microsoft Office fails to properly handle certain files.</p> <p>To exploit the vulnerability, an attacker would have to convince a user to open a specially crafted URL file that points to an Excel or PowerPoint file that was also downloaded.</p> <p>The update addresses the vulnerability by correcting how Office handles these files.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2010 Service Pack 2 (32-bit editions) |  | [KB4462223](https://patchblox.com/security/data/fix/microsoft/kb4462223.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB4462223](https://patchblox.com/security/data/fix/microsoft/kb4462223.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2013 RT Service Pack 1 |  | [KB4464504](https://patchblox.com/security/data/fix/microsoft/kb4464504.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2013 Service Pack 1 (32-bit editions) |  | [KB4464504](https://patchblox.com/security/data/fix/microsoft/kb4464504.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2013 Service Pack 1 (64-bit editions) |  | [KB4464504](https://patchblox.com/security/data/fix/microsoft/kb4464504.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2016 (32-bit edition) |  | [KB4462242](https://patchblox.com/security/data/fix/microsoft/kb4462242.md) | Apr 9, 2019 |
| Microsoft | Microsoft Office 2016 (64-bit edition) |  | [KB4462242](https://patchblox.com/security/data/fix/microsoft/kb4462242.md) | Apr 9, 2019 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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