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

Published Apr 8, 2025
·
Updated

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

Other sources

Microsoft Word Security Feature Bypass Vulnerability

Microsoft

Affected Software

36 affected componentsFixes available
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Word 2016
Microsoft Word 2016
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps
Microsoft Office=2016
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
Microsoft Office Long Term Servicing Channel Macos=2021
Microsoft Office Long Term Servicing Channel=2024
Microsoft Office Long Term Servicing Channel Macos=2024
Microsoft Word=2016
Microsoft Word 2016<16.0.5495.1002
16.0.5495.1002
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office 2016<16.0.5495.1002
16.0.5495.1002
Microsoft Office LTSC for Mac 2024<16.96.25041326
16.96.25041326
Microsoft Office 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2024 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Word 2016<16.0.5495.1002
16.0.5495.1002
Microsoft Office 2016<16.0.5495.1002
16.0.5495.1002
Microsoft 365 Apps for Enterprise<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021<16.96.25041326
16.96.25041326
Microsoft Office 2019 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.5495.1002Patch KB5002702
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in https://aka.ms/OfficeSecurityReleases
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.0.5495.1002Patch KB5002623
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 16.96.25041326

Event History

Apr 8, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:24 PM
Data Sourced
via MITRE·05:24 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-29816?

CVE-2025-29816 is classified as a high severity vulnerability due to its potential to allow unauthorized access to bypass security features.

2

How do I fix CVE-2025-29816?

To fix CVE-2025-29816, ensure that you apply the latest security updates provided by Microsoft for the affected Office products.

3

Which Microsoft products are affected by CVE-2025-29816?

CVE-2025-29816 affects various Microsoft products including Microsoft 365 Apps for Enterprise, Office 2016, Office LTSC 2021, and Word 2016.

4

What kind of attacks can CVE-2025-29816 enable?

CVE-2025-29816 can enable attackers to bypass security features in Microsoft Office Word, potentially compromising sensitive data.

5

Is there a workaround for CVE-2025-29816 until a patch is applied?

Currently, no specific workaround is documented for CVE-2025-29816; applying the patch is the recommended approach.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203