high8.0
CVE-2026-40400
Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.
Impact
Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1607 | before 10.0.14393.9339 |
| Microsoft | Windows 10 1809 | before 10.0.17763.9020 |
| Microsoft | Windows 10 21h2 | before 10.0.19044.7548 |
| Microsoft | Windows 10 22h2 | before 10.0.19045.7548 |
| Microsoft | Windows 11 24h2 | before 10.0.26100.8875 |
| Microsoft | Windows 11 25h2 | before 10.0.26200.8875 |
| Microsoft | Windows 11 26h1 | before 10.0.28000.2269 |
| Microsoft | Windows Server 2012 | All versions Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.9339 |
| Microsoft | Windows Server 2019 | before 10.0.17763.9020 |
| Microsoft | Windows Server 2022 | before 10.0.20348.5386 |
| Microsoft | Windows Server 2025 | before 10.0.26100.33158 |