CVE-2026-96251: Microsoft PowerShell Remote Code Execution Vulnerability
Microsoft PowerShell Remote Code Execution Vulnerability
Other sources
Reliance on untrusted inputs in a security decision in Microsoft PowerShell allows an unauthorized attacker to execute code over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.4.21 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.5.12 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 7.6.7
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The vector is network-based, attack complexity is low, and no privileges are required. Exploitation does require user interaction.
What is the potential impact if exploitation succeeds?
Successful exploitation can result in remote code execution with high impact to confidentiality, integrity, and availability.
Which PowerShell releases are identified as affected?
The affected software list identifies Microsoft PowerShell, Microsoft PowerShell 7.4, Microsoft PowerShell 7.5, and Microsoft PowerShell 7.6.