Use After Free Vulnerability in Microsoft Office PowerPoint
CVE-2025-29978

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2024
Vendor
CVE Published:
13 May 2025

What is CVE-2025-29978?

A use after free vulnerability in Microsoft Office PowerPoint can be exploited by attackers to execute arbitrary code on the affected system. This issue arises when the software does not properly manage memory, leading to potential unauthorized access and control. Users are strongly advised to apply security updates provided by Microsoft to mitigate this risk.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit 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

.
CVE-2025-29978 : Use After Free Vulnerability in Microsoft Office PowerPoint