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CVE-2025-53782

Microsoft Exchange Server

Microsoft CVSS 8.4 Updated March 13, 2026

Executive Risk Summary

"A vulnerability in Microsoft Exchange Server allows an unauthorized attacker to elevate privileges locally due to an incorrect implementation of the authentication algorithm. This could potentially lead to unauthorized access and control of the Exchange Server, posing a significant risk to the security and integrity of the system."

Operational Audit Arsenal

Target Type Executable
Target Asset Microsoft.Exchange.Auth.dll
Standard Path %ProgramFiles%\Microsoft\Exchange Server\V15\Bin
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft.Exchange.Auth.dll (Executable)
$Targets = 'Microsoft.Exchange.Auth.dll'
$SearchPaths = @("$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

Email services may be affected

Internal Work Notes

CVE-2025-53782: Microsoft Exchange Server authentication vulnerability, requires patching to prevent local privilege escalation

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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.