CVE-2025-62560: Microsoft Excel Remote Code Execution Vulnerability

Published Dec 9, 2025
·
Updated

Microsoft Excel Remote Code Execution Vulnerability

Other sources

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

— Microsoft

Affected Software

39 affected componentsFixes available
Microsoft Excel 2016
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Excel 2016
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft 365 Apps for Enterprise
Microsoft 365 Apps for Enterprise
Microsoft Office 2019 for 32-bit editions
Microsoft Office Online Server
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC for Mac 2021
Microsoft 365 Apps
Microsoft 365 Apps
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<16.0.10417.20075
Microsoft Office LTSC for Mac 2024<16.104.25121423
16.104.25121423
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Excel 2016<16.0.5530.1000
16.0.5530.1000
Microsoft Office LTSC 2021 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC for Mac 2021<16.104.25121423
16.104.25121423
Microsoft Office LTSC 2024 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Excel 2016<16.0.5530.1000
16.0.5530.1000
Microsoft 365 Apps for Enterprise<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 2019 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office Online Server<16.0.10417.20075
16.0.10417.20075
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 16.104.25121423
  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 16.0.5530.1000Patch KB5002820
  4. Upgrade

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

    Fixed in 16.0.10417.20075Patch KB5002817

Event History

Dec 9, 2025
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·05:56 PM
Data Sourced
via MITRE·05:56 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-62560?

CVE-2025-62560 is classified as a critical remote code execution vulnerability in Microsoft Excel.

2

How do I fix CVE-2025-62560?

To fix CVE-2025-62560, ensure that you install the latest security updates provided by Microsoft for affected Excel versions.

3

Which software is affected by CVE-2025-62560?

CVE-2025-62560 affects multiple Microsoft products including Microsoft Excel 2016, Office 2019, and Office 2021.

4

What kind of attack can exploit CVE-2025-62560?

CVE-2025-62560 can be exploited through an untrusted pointer dereference, allowing an attacker to execute arbitrary code.

5

How can I determine if I am at risk from CVE-2025-62560?

If you are using any of the affected Microsoft Office versions without the latest security patches, you are at risk from CVE-2025-62560.

Contact

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