cbcvebase.
CVE-2026-4064
published 2026-03-17

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…

PriorityP353high8.3CVSS 3.1
AVNACLPRLUINSUCHIHAL
EPSS
0.33%
24.2th percentile
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.

Affected

2 ranges
VendorProductVersion rangeFixed in
devolutionspowershell_universal>= 2026.1.0 < 2026.1.42026.1.4
ironmansoftwarepowershell_universal< 2026.1.42026.1.4
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