CVE-2025-27746: Microsoft Office Remote Code Execution Vulnerability

Published Apr 8, 2025
·
Updated

Microsoft Office Remote Code Execution Vulnerability

Other sources

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

Microsoft

Affected Software

23 affected componentsFixes available
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 Office Online Server
Microsoft SharePoint Server<16.0.10417.20003
Microsoft Office 2016<16.0.5495.1000
16.0.5495.1000
Microsoft Office 2016<16.0.5495.1000
16.0.5495.1000
Microsoft Office LTSC 2024 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office LTSC 2021 for 32-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft SharePoint Server Subscription Edition Language Pack<16.0.10417.20003
16.0.10417.20003
Microsoft Office LTSC for Mac 2024<16.96.25041326
16.96.25041326
Microsoft 365 Apps for Enterprise<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 Office LTSC for Mac 2021<16.96.25041326
16.96.25041326
Microsoft Office LTSC 2024 for 64-bit editions<https://aka.ms/OfficeSecurityReleases
https://aka.ms/OfficeSecurityReleases
Microsoft Office Online Server<16.0.10417.20003
16.0.10417.20003
Microsoft Office 2019 for 32-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 365 Apps for Enterprise<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 16.0.5495.1000Patch KB4484432
  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 16.0.10417.20003Patch KB5002680
  4. Upgrade

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

    Fixed in 16.96.25041326
  5. Upgrade

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

    Fixed in 16.0.10417.20003Patch KB5002699

Event History

Apr 8, 2025
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·05:23 PM
Data Sourced
via MITRE·05:23 PM
DescriptionSeverity
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-27746?

CVE-2025-27746 is classified as a critical remote code execution vulnerability in Microsoft Office.

2

How do I fix CVE-2025-27746?

To fix CVE-2025-27746, users should apply the latest security updates provided by Microsoft for their Office version.

3

Which versions of Microsoft Office are affected by CVE-2025-27746?

CVE-2025-27746 affects various versions of Microsoft Office including Office 2019, Office 2016, Microsoft 365 Apps, and Office LTSC.

4

Can CVE-2025-27746 be exploited remotely?

CVE-2025-27746 requires local access to exploit, making it a local execution vulnerability.

5

What type of attack can CVE-2025-27746 facilitate?

CVE-2025-27746 can facilitate unauthorized code execution on the affected system.

Contact

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