Heap-based Buffer Overflow in Microsoft Office by Microsoft
CVE-2025-53732

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Office For Android
Microsoft Office For Universal
Vendor
CVE Published:
12 August 2025

What is CVE-2025-53732?

A heap-based buffer overflow vulnerability exists in Microsoft Office, potentially allowing unauthorized attackers to execute arbitrary code. This vulnerability can be exploited when a user opens a specially crafted Office document, which could lead to a system compromise. Users are encouraged to apply the necessary security updates and exercise caution when handling untrusted files.

Affected Version(s)

Microsoft Office for Android Unknown 16.0.1 < 16.0.19127.20000

Microsoft Office for Universal Unknown 16.0.1 < 16.0.14326.22618

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-2025-53732 : Heap-based Buffer Overflow in Microsoft Office by Microsoft