# CVE-2025-29816: Microsoft Word Security Feature Bypass Vulnerability

CVE-2025-29816 is fixed in 4 products on 1 platform, first by KB5002623, released April 8, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-29816
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0048
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Apr 8, 2025
- Weakness: Acceptance of Extraneous Untrusted Data With Trusted Data
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29816

## Description

<p>Improper input validation in Microsoft Office Word allows an unauthorized attacker to bypass a security feature over a network.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2016 (32-bit edition) |  | [KB5002623](https://patchblox.com/security/data/fix/microsoft/kb5002623.md) | Apr 8, 2025 |
| Microsoft | Microsoft Office 2016 (32-bit edition) |  | [KB5002573](https://patchblox.com/security/data/fix/microsoft/kb5002573.md) | Apr 8, 2025 |
| Microsoft | Microsoft Office 2016 (32-bit edition) |  | [KB5002700](https://patchblox.com/security/data/fix/microsoft/kb5002700.md) | Apr 8, 2025 |
| Microsoft | Microsoft Office 2016 (64-bit edition) |  | [KB5002623](https://patchblox.com/security/data/fix/microsoft/kb5002623.md) | Apr 8, 2025 |
| Microsoft | Microsoft Office 2016 (64-bit edition) |  | [KB5002573](https://patchblox.com/security/data/fix/microsoft/kb5002573.md) | Apr 8, 2025 |
| Microsoft | Microsoft Office 2016 (64-bit edition) |  | [KB5002700](https://patchblox.com/security/data/fix/microsoft/kb5002700.md) | Apr 8, 2025 |
| Microsoft | Microsoft Word 2016 (32-bit edition) |  | [KB5002702](https://patchblox.com/security/data/fix/microsoft/kb5002702.md) | Apr 8, 2025 |
| Microsoft | Microsoft Word 2016 (64-bit edition) |  | [KB5002702](https://patchblox.com/security/data/fix/microsoft/kb5002702.md) | Apr 8, 2025 |

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Data as of 2026-11-09T07:25:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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