AUGUST 4, 2026
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Case File

CVE-2026-4064

HIGH · CVSS 8.3 EPSS 0.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-03-17 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.3. Exploitation may require the attacker to be authenticated.

CVE
CVE-2026-4064
Severity
HIGH
CVSS
8.3
EPSS
0.33%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)