CVE-2026-84869

Published Sep 8, 2026

Last updated 8 hours ago

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-84869 describes a vulnerability found within the ScreenConnect client. This flaw permits the unauthorized transfer and execution of files during an active remote session, bypassing typical authorization or host confirmation processes. It is important to note that this condition specifically affects the ScreenConnect client and does not impact ScreenConnect servers. The vulnerability is associated with improper privilege management and missing authorization.

Description: A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.
Source: 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
NVD status: Analyzed
Products: screenconnect

Risk scores

CVSS 3.1

Type: Secondary
Base score: 9.9
Impact score: 6
Exploitability score: 3.1
Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
Exploit added on: Sep 11, 2026
Exploit action due: Sep 14, 2026
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Weaknesses

7d616e1a-3288-43b1-a0dd-0a65d3e70a49: CWE-269

Hype score is a measure of social media activity compared against trending CVEs from the past 12 months. Max score 100.

Hype score: 9

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "270783CF-B4ED-4608-A583-A9F7B80DC877",
            "versionEndExcluding": "26.6.5.9742",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.