CVE-2026-26113: Microsoft Office Remote Code Execution Vulnerability

Published Mar 10, 2026
·
Updated

Microsoft Office Remote Code Execution Vulnerability

Other sources

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

Microsoft

Affected Software

28 affected componentsFixes available
Microsoft Office 2016
Microsoft Office 2016
Microsoft Office LTSC for Mac 2021
Microsoft Office LTSC 2024 for 32-bit editions
Microsoft Office LTSC for Mac 2024
Microsoft Office LTSC 2024 for 64-bit editions
Microsoft 365 Apps for Enterprise
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft 365 Apps for Enterprise
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft Office 2019 for 32-bit editions
Microsoft 365 Apps
Microsoft 365 Apps
Microsoft Office=2016
Microsoft Office=2016
Microsoft Office=2019
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=2024
Microsoft Office Long Term Servicing Channel Macos=2024
Microsoft SharePoint Server<16.0.19725.20076
Microsoft SharePoint Server=2016
Microsoft SharePoint Server=2019

Event History

Mar 10, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
Updated
via Microsoft·02:00 PM
Affected Software
CVE Published
via MITRE·05:05 PM
Data Sourced
via MITRE·05:05 PM
DescriptionSeverity
Data Sourced
via NVD·06:18 PM
DescriptionSeverityWeaknessAffected Software
News Published
via The Register·08:35 PM
News Published
via The Register·08:38 PM
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Frequently Asked Questions

1

What is the severity of CVE-2026-26113?

CVE-2026-26113 is classified as a critical severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2026-26113?

To fix CVE-2026-26113, ensure that you apply the latest security patches provided by Microsoft for the affected Office products.

3

What products are affected by CVE-2026-26113?

CVE-2026-26113 affects several Microsoft Office products, including Office 2016, Office 2019, Office 2021, Office LTSC versions, and SharePoint Server editions.

4

Is CVE-2026-26113 exploit available in the wild?

Yes, there have been reports that CVE-2026-26113 is being actively exploited, making it critical to apply patches promptly.

5

What type of vulnerability is CVE-2026-26113?

CVE-2026-26113 is a remote code execution vulnerability caused by an untrusted pointer dereference in Microsoft Office.

Contact

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