Improper Input Validation in Microsoft PowerShell Enables Local Bypass

Executive Summary

This vulnerability involves improper input validation in Microsoft PowerShell. It allows an unauthorized attacker to bypass a security feature when operating locally on the affected system.

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Impact Analysis

The vulnerability can lead to a security feature bypass, which means an attacker could circumvent protections intended to secure the system. This can result in high impact on confidentiality, integrity, and availability of the system.

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Compliance Impact

The vulnerability in Microsoft PowerShell allows an unauthorized attacker to bypass a security feature locally due to improper input validation.

This security feature bypass could potentially impact the confidentiality, integrity, and availability of data, which are critical aspects in compliance with standards such as GDPR and HIPAA.

However, there is no specific information provided about direct effects on compliance with these regulations.

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Mitigation Strategies

To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft for PowerShell as soon as they become available.

Since the vulnerability involves improper input validation allowing a local attacker to bypass security features, restricting local access to PowerShell and monitoring for unusual local activity may help reduce risk until patches are applied.

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