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CVE-2026-46402

Microsoft UFO - Open-Source Framework

Microsoft CVSS 8.1 Updated May 29, 2026

Executive Risk Summary

"The Microsoft UFO open-source framework is vulnerable to a path traversal attack, allowing an authenticated client to create log directories and log files outside the intended logs/ directory. This could potentially lead to unauthorized access to sensitive data or disruption of system operations."

Anticipated Attack Path

  1. 1. Authenticated client supplies malicious task_name value
  2. 2. UFO constructs session log path using user-controlled task_name
  3. 3. Attacker creates log directories and log files outside intended logs/ directory

Am I Vulnerable?

  • Verify UFO version is 3.0.1-4-ge2626659 or earlier
  • Check for suspicious log files or directories outside intended logs/ directory
  • Monitor system logs for signs of unauthorized access or data tampering

Operational Audit Arsenal

Target Type Process
Target Asset ufo.exe
Standard Path C:\Program Files\Microsoft UFO\bin\ufo.exe
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: ufo.exe (Process)
$Targets = 'ufo.exe'
$SearchPaths = @("$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 Unlikely

Minimal, as the patch only affects the UFO framework

Internal Work Notes

Urgent: Microsoft UFO path traversal vulnerability - apply patch and verify system logs for suspicious activity

Technical Intelligence & Operational Utilities • Delivered Weekly

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.