Remote Code Execution Vulnerability in Microsoft Office Excel
CVE-2025-30379

7.8HIGH

Key Information:

Vendor

Microsoft
Status
Office Online Server
Microsoft Office 2019
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2021
Vendor
CVE Published:
13 May 2025

What is CVE-2025-30379?

A vulnerability in Microsoft Office Excel could enable an unauthorized attacker to execute arbitrary code locally on a user's system by exploiting an invalid pointer or reference. This flaw poses significant risk as it could be exploited to gain unauthorized access to sensitive data and system resources.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Excel 2016 32-bit Systems 16.0.0.0 < 16.0.5500.1000

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

.
CVE-2025-30379 : Remote Code Execution Vulnerability in Microsoft Office Excel