---
id: CVE-2026-3564
title: >-
  A condition in the ScreenConnect server component may allow an actor with
  access to server-level cryptographic material used for authentication to
  obtain unauthorized access, including elevated privileges, in certain
  scenarios
summary: >-
  A condition in the ScreenConnect server component may allow an actor with
  access to server-level cryptographic material used for authentication to
  obtain unauthorized access, including elevated privileges, in certain
  scenarios. ScreenCon…
severity: critical
cvss: 9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-347
published: '2026-03-17'
updated: '2026-07-09'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-3564'
references:
  - url: >-
      https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletin
    label: 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
tags:
  - nvd
epss: 0.00284
epssPercentile: 0.18613
ingestedAt: '2026-07-10T01:55:22.961Z'
---

## Overview

A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.