VulnSocial

CVE-2026-4064Disclosure(ironmansoftware / powershell_universal)

LOWCVSS 8.3 · HIGH

Signal is active with 3 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

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.

ironmansoftware CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • powershell_universal

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • 3 total mentions across 1 day

Affected systems

Vendors
ironmansoftware
Products
powershell_universal

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-17: 3Technical Details · 2026-03-17: 303-17
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • The Hacker Wire@TheHackerWire
    Disclosure

    🟠 CVE-2026-4064 - High 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 a... https://www.thehackerwire.com/vulnerability/CVE-2026-4064/ https://t.co/Z7t3Gdxten

    Post summary

    CVE-2026-4064 reveals missing authorization checks in PowerShell Universal’s gRPC endpoints, enabling authenticated users to bypass role‑based controls; no PoC, exploit code, active exploitation, patch, or false‑positive claim is provided.

    0001051
    138 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-4064 Authorization Bypass in PowerShell Universal gRPC Services Before 2026.1.4 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4064

    Post summary

    The post announces CVE-2026-4064, an authorization bypass affecting PowerShell Universal gRPC services before version 2026.1.4, without revealing any PoC, exploit, or patch details.

    0000052
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    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 bypass role… https://www.cve.org/CVERecord?id=CVE-2026-4064

    Post summary

    The text reports a missing authorization check in PowerShell Universal that allows role bypass for authenticated users, without providing further details on PoC, exploitation or remediation.

    0000069
    56.7K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appironmansoftwarepowershell_universal---

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