Use After Free Vulnerability in Microsoft Office Word
CVE-2025-24079

7.8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Office 2019
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc For Mac 2021
Microsoft Office Ltsc 2021
Vendor
CVE Published:
11 March 2025

Summary

A use after free vulnerability in Microsoft Office Word can be exploited by unauthorized attackers to execute arbitrary code on the affected system. This flaw allows attackers to manipulate memory by accessing freed memory regions, potentially leading to a complete compromise of the target environment. Users of Microsoft Office Word should ensure they are using updated versions to mitigate the risk associated with this vulnerability. For more information, refer to the official advisory.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2019 32-bit Systems 19.0.0

Microsoft Office LTSC 2021 x64-based Systems 16.0.1

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

.