Information Disclosure Vulnerability in Microsoft Excel
CVE-2025-21383

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 February 2025

What is CVE-2025-21383?

Microsoft Excel has been found to contain an information disclosure vulnerability that could allow unauthorized individuals to access sensitive information. This vulnerability may cause specific data contained in Excel files to be exposed, potentially leading to unauthorized access to confidential data. Users are advised to apply the latest security patches to mitigate the risks associated with this vulnerability and enhance their data protection strategies.

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Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Excel 2016 32-bit Systems 16.0.0.0 < 16.0.5487.1000

Microsoft Office 2019 32-bit Systems 19.0.0

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

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