CVE-2026-40400
Windows PowerShell Remote Code Execution vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-40400
- Affected products
- Windows PowerShell Remote Code Execution · Microsoft Windows PowerShell Remote Code Execution · Microsoft
What happened
Updated an acknowledgement. This is an informational change only.
What it means for your business
Windows PowerShell Remote Code Execution vulnerability (CVE-2026-40400) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Sources
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