Executive Risk Summary
"A use-after-free vulnerability in the Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system compromise. This vulnerability is considered critical and should be patched as soon as possible to prevent potential attacks."
Operational Audit Arsenal
Target Type Service
Target Asset lsasrv
Standard Path Windows System Services
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: lsasrv (Service)
$Target = "lsasrv"
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")
Get-ChildItem -Path $SearchPaths -Filter $Target -Recurse -ErrorAction SilentlyContinue |
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}Patch Impact Forecast
Reboot Required
Required
Service Disruption
Low to Moderate
Internal Work Notes
Apply the latest security updates from Microsoft to mitigate the vulnerability, and monitor system logs for suspicious activity.
Intelligence Sources
Scope of Impact
Windows Server 2022 23H2 Windows 10 1809 Windows Server 2008 (Version r2) Windows 11 24H2 Windows 10 22H2 Windows Server 2012 (Version r2) Windows Server 2016 Windows Server 2008 Windows Server 2012 Windows Server 2025 Windows 11 22H2 Windows 10 21H2 Windows 10 1607 Windows Server 2019 Windows 11 23H2 Windows 10 1507 Windows Server 2022
Original NVD Description
"Use after free in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally."
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.