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CVE-2025-59233

Microsoft Office Excel

Microsoft CVSS 7.8 Updated March 13, 2026

Executive Risk Summary

"A type confusion vulnerability in Microsoft Office Excel allows an unauthorized attacker to execute code locally, potentially leading to system compromise. This vulnerability can be exploited by an attacker to gain control over the affected system, emphasizing the need for immediate patching."

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

Internal Work Notes

Urgent patching required for Microsoft Office Excel to mitigate type confusion vulnerability (CVE-2025-59233) allowing local code execution.

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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.