Windows PowerShell vulnerabilities
10 known CVE vulnerabilities in Windows PowerShell, translated and rated.
- CVE-2017-8565High
PowerShell in Windows has a vulnerability allowing remote code execution when PSObject wraps a CIM Instance. This affects multiple versions of Windows, including Windows Server 2008 and Windows 10.
- CVE-2026-83578Critical
Integer underflow vulnerability in Windows PowerShell allows an unauthorized attacker to execute code over a network.
- CVE-2026-85817High
Reliance on untrusted inputs in a security decision in Windows PowerShell allows an unauthorized attacker to execute code over a network.
- CVE-2026-85805Medium
Improperly implemented security check for standard in Windows PowerShell allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-70185High
A protection mechanism failure in Windows PowerShell allows an authorized attacker to bypass a security feature locally.
- CVE-2026-70052High
An integer overflow or wraparound vulnerability exists in Windows PowerShell. An authorized attacker can exploit this flaw to execute code locally.
- CVE-2026-69807High
Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an authorized attacker to elevate privileges over a network.
- CVE-2026-62801Medium
Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-40400High
Relative path traversal vulnerability in Windows PowerShell allows an authorized attacker to execute code remotely.
- CVE-2025-54100High
Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

