# CVE-2025-53733: Microsoft Word Remote Code Execution Vulnerability

CVE-2025-53733 is fixed in 4 products on 1 platform, first by KB5002771, released August 12, 2025. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2025-53733
- Priority: Urgent
- CVSS: 8.4 (Critical)
- EPSS: 0.0055
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Aug 12, 2025
- Weakness: Incorrect Conversion between Numeric Types
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53733

## Description

<p>Incorrect conversion between numeric types in Microsoft Office Word allows an unauthorized attacker to execute code locally.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB5002772](https://patchblox.com/security/data/fix/microsoft/kb5002772.md) | Oct 16, 2025 |
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB5002771](https://patchblox.com/security/data/fix/microsoft/kb5002771.md) | Aug 12, 2025 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB5002770](https://patchblox.com/security/data/fix/microsoft/kb5002770.md) | Oct 16, 2025 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB5002769](https://patchblox.com/security/data/fix/microsoft/kb5002769.md) | Aug 12, 2025 |
| Microsoft | Microsoft Word 2016 (32-bit edition) |  | [KB5002763](https://patchblox.com/security/data/fix/microsoft/kb5002763.md) | Oct 16, 2025 |
| Microsoft | Microsoft Word 2016 (64-bit edition) |  | [KB5002763](https://patchblox.com/security/data/fix/microsoft/kb5002763.md) | Oct 16, 2025 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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