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CVE-2026-40400— Microsoft PowerShell 路径遍历漏洞

CVSS 8.0 · High EPSS 0.59% · P44

Possible ATT&CK Techniques 1AI

T1210 · Exploitation of Remote Services

Affected Version Matrix 18

ベンダープロダクトVersion Rangeステータス
MicrosoftWindows 10 Version 160710.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows 10 Version 180910.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows 10 Version 21H210.0.19044.0< 10.0.19044.7548affected
MicrosoftWindows 10 Version 22H210.0.19045.0< 10.0.19045.7548affected
MicrosoftWindows 11 Version 24H210.0.26100.0< 10.0.26100.8875affected
MicrosoftWindows 11 Version 25H210.0.26200.0< 10.0.26100.8875affected
MicrosoftWindows 11 version 26H110.0.28000.0< 10.0.28000.2525affected
MicrosoftWindows Server 20126.2.9200.0< 6.2.9200.26226affected
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0< 6.2.9200.26226affected
MicrosoftWindows Server 2012 R26.3.9600.0< 6.3.9600.23291affected
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0< 6.3.9600.23291affected
MicrosoftWindows Server 201610.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0< 10.0.14393.9339affected
MicrosoftWindows Server 201910.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0< 10.0.17763.9020affected
MicrosoftWindows Server 202210.0.20348.0< 10.0.20348.5386affected
MicrosoftWindows Server 202510.0.26100.0< 10.0.26100.33158affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0< 10.0.26100.33158affected
新しい脆弱性情報の通知を購読するログインして購読

I. CVE-2026-40400の基本情報

脆弱性情報
脆弱性についてご質問がありますか？Shenlongの分析が参考になるかご確認ください！
Shenlongの10の質問を表示 ↗

高度な大規模言語モデル技術を使用していますが、出力には不正確または古い情報が含まれる可能性があります。Shenlongはデータの正確性を確保するよう努めていますが、実際の状況に基づいて検証・判断してください。

脆弱性タイトル
Windows PowerShell Remote Code Execution Vulnerability
ソース: NVD (National Vulnerability Database)
脆弱性説明
Relative path traversal in Windows PowerShell allows an authorized attacker to execute code over a network.
ソース: NVD (National Vulnerability Database)
CVSS情報
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
相对路径遍历
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Microsoft PowerShell 路径遍历漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Microsoft powershell是美国Microsoft公司的一个命令行脚本引擎和Shell环境。 Microsoft PowerShell存在路径遍历漏洞，该漏洞源于相对路径遍历问题，可能允许授权攻击者通过网络执行代码。以下版本受到影响：Windows 10 Version 1607 10.0.14393.0之前版本、Windows 10 Version 1809 10.0.17763.0之前版本、Windows 10 Version 21H2 10.0.19044.0之前版本、Windows
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)

影響を受ける製品

ベンダープロダクト影響を受けるバージョンCPE購読
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7548 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7548 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8875 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26100.8875 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.2525 -
MicrosoftWindows Server 2012 6.2.9200.0 ~ 6.2.9200.26226 -
MicrosoftWindows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.26226 -
MicrosoftWindows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.23291 -
MicrosoftWindows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.23291 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.9339 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.9020 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.5386 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.33158 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.33158 -

II. CVE-2026-40400の公開POC

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III. CVE-2026-40400のインテリジェンス情報

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CVE-2026-40400 厂商安全公告 (1)

Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total

CVE-2026-570929.9 CRITICALMicrosoft Windows VMSwitch Elevation of Privilege Vulnerability
CVE-2026-491729.8 CRITICALWindows FTP Service Remote Code Execution Vulnerability
CVE-2026-586449.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-504479.8 CRITICALWindows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability
CVE-2026-561889.8 CRITICALWindows Server Network driver Remote Code Execution Vulnerability
CVE-2026-561909.8 CRITICALRemote Desktop Protocol Remote Code Execution Vulnerability
CVE-2026-550109.8 CRITICALMinecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
CVE-2026-561599.8 CRITICALDHCP Server Service Remote Code Execution Vulnerability
CVE-2026-559449.8 CRITICALMicrosoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co
CVE-2026-549909.8 CRITICALRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-505229.8 CRITICALMicrosoft SharePoint Remote Code Execution Vulnerability
CVE-2026-505189.8 CRITICALWindows DHCP Server Remote Code Execution Vulnerability
CVE-2026-429909.8 CRITICALSQL Server ODBC driver Elevation of Privilege Vulnerability
CVE-2026-485619.6 CRITICALMicrosoft Copilot Remote Code Execution Vulnerability
CVE-2026-550089.6 CRITICALMicrosoft Exchange Server Spoofing Vulnerability
CVE-2026-503809.6 CRITICALWindows GDI+ Remote Code Execution Vulnerability
CVE-2026-497989.3 CRITICALWindows Kernel Elevation of Privilege Vulnerability
CVE-2026-550409.1 CRITICALMicrosoft SharePoint Server Security Feature Bypass Vulnerability
CVE-2026-579698.8 HIGHAzure CycleCloud Elevation of Privilege Vulnerability
CVE-2026-541218.8 HIGHActive Directory Certificate Services Elevation of Privilege Vulnerability

Showing 20 of 570 CVEs. View all on vendor page →

IV. 関連脆弱性

同じ製品: Windows 10 Version 1607
同じベンダー: Microsoft
同じ弱点: CWE-23

V. CVE-2026-40400へのコメント

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