Information Disclosure Vulnerability in Microsoft Office Excel
CVE-2025-48812

5.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Office Online Server
Microsoft Office 2019
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc For Mac 2021
Vendor
CVE Published:
8 July 2025

What is CVE-2025-48812?

An information disclosure vulnerability in Microsoft Office Excel allows unauthorized attackers to exploit out-of-bounds read operations. This exploit can lead to the exposure of sensitive information stored on the local system, potentially compromising data privacy and security. Organizations and users utilizing affected versions should take precautionary measures to mitigate risk and secure their Excel installations.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Excel 2016 32-bit Systems 16.0.0.0 < 16.0.5508.1001

Microsoft Office 2019 32-bit Systems 19.0.0

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-48812 : Information Disclosure Vulnerability in Microsoft Office Excel