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CVE-2025-59249

Microsoft Exchange Server

Microsoft CVSS 8.8 Updated March 13, 2026

Executive Risk Summary

"A weak authentication vulnerability in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network, potentially leading to unauthorized access and data breaches. This vulnerability poses a significant risk to organizations relying on Microsoft Exchange Server for email and collaboration services."

Operational Audit Arsenal

Target Type Service
Target Asset Microsoft Exchange Server
Standard Path %ProgramFiles%MicrosoftExchange Server
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft Exchange Server (Service)
$Targets = 'Microsoft Exchange Server'
$SearchPaths = @("$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-2025-59249: Weak authentication vulnerability in Microsoft Exchange Server requires patching to prevent privilege escalation attacks.

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Intelligence Sources

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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.