Buffer Over-Read Vulnerability in Microsoft Office Word
CVE-2025-53736

6.8MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Sharepoint Enterprise Server 2016
Microsoft Sharepoint Server 2019
Microsoft Office 2019
Microsoft 365 Apps For Enterprise
Vendor
CVE Published:
12 August 2025

What is CVE-2025-53736?

A buffer over-read vulnerability in Microsoft Office Word could allow an unauthorized attacker to gain access to sensitive information stored locally. This flaw occurs due to improper handling of data and may lead to the unintentional disclosure of information, which could be exploited for various malicious purposes. Users are advised to apply updates and adhere to security best practices to mitigate potential risks.

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:
6.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-53736 : Buffer Over-Read Vulnerability in Microsoft Office Word