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CVE-2025-21366

Microsoft Office - Access

Microsoft CVSS 7.8 Updated March 10, 2026

Executive Risk Summary

"A remote code execution vulnerability exists in Microsoft Access, which could allow an attacker to execute arbitrary code on the target system. Successful exploitation of this vulnerability requires that a user open a specially crafted Access database file."

Operational Audit Arsenal

Target Type Executable
Target Asset msaccess.exe
Standard Path %ProgramFiles%\Microsoft Office\Root\Office16\MSACCESS.EXE
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: msaccess.exe (Executable)
$Targets = 'msaccess.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 Access service affected

Internal Work Notes

Apply latest Microsoft Office security updates to mitigate remote code execution vulnerability in Microsoft Access

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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.