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CVE-2025-21397

Target: Microsoft Office

Microsoft CVSS 7.8 Updated March 10, 2026
Threat Level HIGH

Executive Risk Summary

"A remote code execution vulnerability exists in Microsoft Office, allowing an attacker to execute arbitrary code on the victim's system. This vulnerability can be exploited by convincing a user to open a specially crafted file, potentially leading to a full system compromise."

Operational Audit Arsenal

Target Type Software
Target Asset Microsoft Office
Standard Path Installed on user workstations and servers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft Office (Software)
$Target = "Microsoft Office"
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Filter $Target -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}

Patch Impact Forecast

Reboot Required Required
Service Disruption

Low to Moderate

Internal Work Notes

Apply the latest security updates from Microsoft to mitigate this vulnerability, and consider implementing additional security controls such as file type restrictions and user education on safe file handling practices.

Intelligence Sources

Scope of Impact

Office Long Term Servicing Channel (Version 2021) 365 Apps Office Long Term Servicing Channel (Version 2024)

Original NVD Description

"Microsoft Office Remote Code Execution Vulnerability"

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.