Remote Code Execution Vulnerability in Microsoft Office Software
CVE-2025-21397

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2021
Microsoft Office Ltsc 2024
Vendor
CVE Published:
11 February 2025

What is CVE-2025-21397?

A vulnerability has been identified in Microsoft Office that could allow for remote code execution. This occurs when a user opens a specially crafted Office document that could enable an attacker to take control of the affected system. Successful exploitation could lead to unauthorized access and manipulation of files or installation of malware. It is highly recommended for users to remain vigilant, ensure their systems are updated, and follow security best practices to mitigate risks associated with this vulnerability.

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Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office LTSC 2021 x64-based Systems 16.0.1

Microsoft Office LTSC 2024 32-bit Systems 1.0.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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