Home Microsoft CVE-2025-54900
Back to Microsoft

CVE-2025-54900

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."

Operational Audit Arsenal

Target Type Executable
Target Asset excel.exe
Standard Path %ProgramFiles%Microsoft OfficeRootOffice16EXCEL.EXE
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

Internal Work Notes

Apply latest Microsoft Office security updates to mitigate heap-based buffer overflow vulnerability in Excel

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Related Microsoft Threats

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