Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-4064

Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.0%
CVSS Severity
CVSS v3 Score 8.3
Products affected by CVE-2026-4064


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