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CVE-2025-30376

Microsoft Office Excel

Microsoft CVSS 7.8 Updated March 12, 2026

Executive Risk Summary

"A heap-based buffer overflow vulnerability in Microsoft Office Excel allows an unauthorized attacker to execute code locally, potentially leading to system compromise. This vulnerability poses a significant risk to systems with vulnerable versions of Microsoft Office Excel installed, as it can be exploited to gain unauthorized access and execute malicious code."

Operational Audit Arsenal

Target Type Executable
Target Asset excel.exe
Standard Path %ProgramFiles%Microsoft OfficeRootOffice16
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: excel.exe (Executable)
$Targets = 'excel.exe'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

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

Patch Impact Forecast

Reboot Required Likely

Microsoft Office services may be affected

Internal Work Notes

High-risk vulnerability in Microsoft Office Excel requires immediate patching to prevent potential code execution attacks.

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Intelligence Sources

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