Executive Risk Summary
"A use-after-free vulnerability in the Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to execute code over a network, potentially leading to a full system compromise. This vulnerability is considered critical due to its potential for remote code execution and the fact that it can be exploited by an authorized attacker."
Operational Audit Arsenal
Target Type System Service
Target Asset LSASS
Standard Path %windir%\System32\lsass.exe
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: LSASS (System Service)
$Targets = 'LSASS'
$SearchPaths = @("$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
High
Internal Work Notes
CVE-2026-20854: LSASS Use-After-Free Vulnerability - Apply Microsoft patch as soon as possible to prevent potential remote code execution attacks.
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Intelligence Sources
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.