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CVE-2024-21389

Microsoft Dynamics 365 (on-premises)

Microsoft CVSS 7.6 Updated March 14, 2026

Executive Risk Summary

"A cross-site scripting vulnerability exists in Microsoft Dynamics 365 (on-premises), which could allow an attacker to inject malicious scripts into a user's session. This vulnerability could be exploited by an attacker to gain unauthorized access to sensitive data or systems."

Operational Audit Arsenal

Target Type Web Application
Target Asset Microsoft Dynamics 365
Standard Path %programfiles%Microsoft Dynamics 365
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft Dynamics 365 (Web Application)
$Targets = 'Microsoft Dynamics 365'
$SearchPaths = @("$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 Dynamics 365 services may be affected

Internal Work Notes

Apply latest security updates to Microsoft Dynamics 365 (on-premises) to mitigate cross-site scripting vulnerability

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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.