CVE-2025-59235: Microsoft Excel Information Disclosure Vulnerability

Published Oct 14, 2025
·
Updated

Microsoft Excel Information Disclosure Vulnerability

Other sources

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Microsoft

Affected Software

33 affected componentsFixes available
Microsoft Access 2016
Microsoft Access 2016
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC for Mac 2021
Microsoft Office Online Server
Microsoft SharePoint Enterprise Server 2016
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft SharePoint Server 2019
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Access=2016
Microsoft Excel=2016
Microsoft Excel=2016
Microsoft Office=2019
Microsoft Office=2019
Microsoft Office Long Term Servicing Channel=2021
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=2024
Microsoft Office Long Term Servicing Channel Macos=2024
Microsoft Office Online Server<16.0.10417.20059
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019

Event History

Oct 14, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
DescriptionSeverity
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-59235?

CVE-2025-59235 is classified as a medium severity information disclosure vulnerability in Microsoft Excel.

2

How do I fix CVE-2025-59235?

You can fix CVE-2025-59235 by applying the relevant security patches provided by Microsoft for affected products.

3

Which products are affected by CVE-2025-59235?

CVE-2025-59235 affects various versions of Microsoft Excel, Access, Office LTSC, Office Online Server, and SharePoint Server.

4

What impact does CVE-2025-59235 have?

CVE-2025-59235 allows unauthorized attackers to disclose sensitive information through out-of-bounds reads in Microsoft Excel.

5

Is there a workaround for CVE-2025-59235?

Currently, the recommended solution for CVE-2025-59235 is to install the security updates provided by Microsoft as there is no specific workaround.

Contact

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