CVE-2018-8327: Microsoft PowerShell

Critical severity, CVSS 9.8. EPSS: 22.5% chance of exploitation in the next 30 days.

A remote code execution vulnerability exists in PowerShell Editor Services, aka "PowerShell Editor Services Remote Code Execution Vulnerability." This affects PowerShell Editor, PowerShell Extension.

Affected products

• Microsoft PowerShell: before 1.7.0 (fixed in 1.7.0)
• Microsoft PowerShell Editor Services: before 1.7.0 (fixed in 1.7.0)

Published 2018-07-11. Last modified 2026-06-17.