Use After Free Vulnerability in Microsoft Office Word
CVE-2025-47170

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2024
Microsoft Office Ltsc For Mac 2024
Vendor
CVE Published:
10 June 2025

What is CVE-2025-47170?

A use after free vulnerability in Microsoft Office Word permits an unauthorized attacker to execute arbitrary code on the affected system. This flaw occurs when Word mishandles memory allocations, resulting in the possibility for malicious entities to exploit the vulnerability, potentially leading to unauthorized access and control over the affected environment.

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Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office LTSC 2024 32-bit Systems 1.0.0

Microsoft Office LTSC for Mac 2024 Unknown 1.0.0 < 16.98.25060824

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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