CVE-2026-40400 Windows PowerShell Remote Code Execution Vulnerability

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CVE-2026-40400 Windows PowerShell Remote Code Execution Vulnerability

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CVE-2026-40400

CVE-2026-40400 is a Windows PowerShell relative path traversal vulnerability that could enable an authorized attacker to execute code over a network. The CVE entry identifies a remote code execution risk with NETWORK attack vector, LOW attack complexity, and LOW privileges required, but with UI i...

Windows PowerShell Remote Code Execution Vulnerability

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

MAL-2026-10535 Malicious code in my-empty-package (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 914ffc98ce1f6553e4f9655208318800d0d22663842eb4c9a3d0d51d4f143bdd package.json declares postinstall: node index.js. On npm install, index.js branches on os.platform and executes platform-specific shell commands:...

CVE-2026-40400: Relative Path Traversal

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

KLA91145 Multiple vulnerabilities in Microsoft Products (ESU)

Multiple vulnerabilities were found in Microsoft Products ESU. Malicious users can exploit these vulnerabilities to bypass security restrictions, cause denial of service, execute arbitrary code, gain privileges, obtain sensitive information, spoof user interface. Below is a complete list of...

MAL-2026-6274 Malicious code in web3-token-helper (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 0c826bf782895b60580b94e3a28a2c4562d3742420ce81e9895ad8568da57890 The package advertises itself as a Web3 fee utility but its main export is a dropper. index.js line 140 base64-decodes a platform-specific command...

utcp-cli Vulnerable to Command Injection via Unsanitized Argument Substitution in CLI Communication Protocol

Summary The substituteutcpargs method in clicommunicationprotocol.py inserts user-controlled toolargs values directly into shell command strings without any sanitization or escaping. These commands are then executed via /bin/bash -c Unix or powershell.exe -Command Windows, allowing an attacker to...

MAL-2026-2449 Malicious code in mgc (npm)

Package fetches platform-specific stage-2 payloads from a GitHub Gist. The stage-2 payloads are full Remote Access Trojans RATs for Linux Python and Windows PowerShell that beacon to a C2 server, exfiltrate system information, enumerate directories, execute arbitrary commands, and support binary...

Exploit for Command Injection in Microsoft

CVE-2025-54100-BYPASS- CVE-2025-54100 POC "simple" Bypass Patc...

CVE-2026-24414 Icinga for Windows certificate can have too-open permissions

The Icinga PowerShell Framework provides configuration and check possibilities to ensure integration and monitoring of Windows environments. In versions prior to 1.13.4, 1.12.4, and 1.11.2, permissions of the Icinga for Windows certificate directory grant every user read access, which results in...

CVE-2021-47759

CVE-2021-47759 (MTPutty 1.0.1.21) : A local information-disclosure vulnerability allows an attacker with local access to view SSH passwords by listing Windows PowerShell processes; the full command line of MTPutty processes is retrievable, exposing plaintext credentials. Documented impact is conf...

EUVD-2026-2776

MTPutty 1.0.1.21 contains a sensitive information disclosure vulnerability that allows local attackers to view SSH connection passwords through Windows PowerShell process listing. Attackers can run a PowerShell command to retrieve the full command line of MTPutty processes, exposing plaintext SSH...

CVE-2021-47759: Insufficiently Protected Credentials

MTPutty 1.0.1.21 contains a sensitive information disclosure vulnerability that allows local attackers to view SSH connection passwords through Windows PowerShell process listing. Attackers can run a PowerShell command to retrieve the full command line of MTPutty processes, exposing plaintext SSH...

CVE-2025-54100

Improper neutralization of special elements used in a command 'command injection' in Windows PowerShell allows an unauthorized attacker to execute code locally...

EUVD-2025-202201

Improper neutralization of special elements used in a command 'command injection' in Windows PowerShell allows an unauthorized attacker to execute code locally...

CVE-2025-54100: Improper Neutralization of Special Elements used in a Command

Improper neutralization of special elements used in a command 'command injection' in Windows PowerShell allows an unauthorized attacker to execute code locally...

PT-2025-50150

Name of the Vulnerable Software and Affected Versions Microsoft Windows PowerShell versions prior to December 17, 2025 Description The issue is a command injection flaw in Windows PowerShell that allows an unauthorized attacker to execute code locally. The flaw stems from improper neutralization ...

curl: runs javascript on powershell when it shouldnt

On windows, if I run a curl on powershell for a script that should show alert1 it just executes the script when it shouldn't. I did not use AI to find or report this bug. Affected version on CMD I ran curl --version curl 8.16.0 Windows libcurl/8.16.0 Schannel zlib/1.3.1 WinIDN on powershell it...