Use After Free Vulnerability in Microsoft Office Word Software by Microsoft
CVE-2025-47957

8.4HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2021
Microsoft Office Ltsc 2024
Vendor
CVE Published:
10 June 2025

What is CVE-2025-47957?

A use after free vulnerability exists in Microsoft Office Word, which can be exploited by an unauthorized attacker to execute arbitrary code on a user's system. This flaw allows attackers to manipulate the application's memory, potentially leading to unauthorized access and system compromise. Users are advised to apply recommended security updates to mitigate the 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:
8.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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