Executive Risk Summary
"The SMB Server is susceptible to relay attacks depending on the configuration, which could lead to elevation of privilege attacks. To protect against these relay attacks, customers are advised to assess their environment and adopt SMB Server hardening measures such as SMB Server signing and Extended Protection for Authentication (EPA)."
Operational Audit Arsenal
Target Type Service
Target Asset SMB Server
Standard Path %windir%\System32\drivers\smbserver.exe
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: SMB Server (Service)
$Targets = 'SMB 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
File and Printer Sharing services may be affected
Internal Work Notes
Apply SMB Server hardening measures to prevent relay attacks, assess environment using audit capabilities and deploy SMB Server signing and EPA to protect against elevation of privilege attacks.
Technical Intelligence & Operational Utilities • Delivered Weekly
Intelligence Sources
MSRC Advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55234
Official Advisoryhttps://www.vicarius.io/vsociety/posts/cve-2025-55234-detection-script-smb-server-vulnerability-affecting-microsoft-systems
Official Advisoryhttps://www.vicarius.io/vsociety/posts/cve-2025-55234-mitigation-script-smb-server-vulnerability-affecting-microsoft-systems
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.