CVE-2026-4064
High · 8.3CVSS
8.3
EPSS
0.4%
Published
Mar 17, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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