CVE-2026-4064

HIGH EPSS 24.3%
Published Mar 17, 20263mo ago · Modified Mar 19, 20263mo ago
8.3 CVSS 3.1
High
Find Similar
Published Mar 17, 2026 3mo ago
Last Modified Mar 19, 2026 3mo ago

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.

CVSS Details

Base Score
8.3
Exploitability
2.8
Impact
5.5
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability Low

Threat Intelligence

EPSS Exploit Probability
24.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

Affected Products 1

VendorProductVersionRange
ironmansoftwarepowershell_universal* <2026.1.4

References 1

  • devolutions.net https://devolutions.net/security/advisories/DEVO-2026-0008
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.