Vulnerability · Published Mar 17, 2026 · Assigned by DEVOLUTIONS

CVE-2026-4064

High 8.3

In plain English

A high-severity missing authorization in PowerShell Universal from Devolutions. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High

Exploit odds (30 days)0.3%top 71.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Devolutions	PowerShell Universal	2026.1.0 – before 2026.1.4

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

References

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