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8.0High

CVE-2026-40400Windows PowerShell Remote Code Execution Vulnerability

Microsoft PowerShell 7.5; Microsoft PowerShell 7.6; Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809 Published: (4 months ago)

Description

Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.

Weakness (CWE): CWE-23

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
microsoft powershell 7.5.0 – < 7.5.11
Microsoft PowerShell 7.5 7.5.0 – < 7.5.11
Microsoft PowerShell 7.6 7.6.0 – < 7.6.6
microsoft windows 10 1607 10.0.14393.0 – < 10.0.14393.9339
microsoft windows 10 1809 10.0.17763.0 – < 10.0.17763.9020
microsoft windows 10 21H2 10.0.19044.0 – < 10.0.19044.7548
microsoft windows 10 22H2 10.0.19045.0 – < 10.0.19045.7548
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.9339
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.9020
Microsoft Windows 10 Version 21H2 10.0.19044.0 – < 10.0.19044.7548
Microsoft Windows 10 Version 22H2 10.0.19045.0 – < 10.0.19045.7548
microsoft windows 11 24H2 10.0.26100.0 – < 10.0.26100.8875
microsoft windows 11 25H2 10.0.26200.0 – < 10.0.26200.8875
microsoft windows 11 26H1 10.0.28000.0 – < 10.0.28000.2525
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.8875
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.8875
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.2525
Microsoft Windows Server 2012 6.2.9200.0 – < 6.2.9200.26226
Microsoft Windows Server 2012 R2 6.3.9600.0 – < 6.3.9600.23291
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – < 6.3.9600.23291
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – < 6.2.9200.26226
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.9339
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.9339
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.9020
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.9020
Microsoft Windows Server 2022 10.0.20348.0 – < 10.0.20348.5386
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.33158
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.33158

References and patches

CPE matches (NVD) (22)
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.9339
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.9339
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.9020
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.9020
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* < 10.0.19044.7548
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* < 10.0.19044.7548
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.7548
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* < 10.0.19045.7548
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* < 10.0.19045.7548
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.7548
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* < 10.0.26100.8875
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* < 10.0.26100.8875
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* < 10.0.26200.8875
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* < 10.0.26200.8875
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* < 10.0.28000.2269
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* < 10.0.28000.2269
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:-:*:x64:* < 10.0.14393.9339
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:-:*:x64:* < 10.0.17763.9020
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* < 10.0.20348.5386
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* < 10.0.26100.33158

Recent CVEs in the same product — Windows 10

7.8High
CVE-2026-119382

Windows TPM Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2

Heap-based buffer overflow in Windows TPM allows an authorized attacker to elevate privileges locally.