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VULNERABILITIES

CVE-2026-84869 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: ConnectWiseCVSS-B:9.9 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869 CISA-ADPUS Government Resource
https://www.huntress.com/blog/rogue-screenconnect-installations CISA-ADPThird Party Advisory
https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869 ConnectWiseThird Party Advisory
https://www.connectwise.com/company/trust/advisories ConnectWiseVendor Advisory
https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin ConnectWiseVendor Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability NameDate AddedDue DateRequired Action
ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization VulnerabilitySep 11, 2026Sep 14, 2026Apply 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.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-269Improper Privilege ManagementConnectWise
CWE-862Missing AuthorizationConnectWise

Affected Products

ProductVersions
connectwise screenconnect
< 26.6.5.9742

CPE

  • cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

8 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-84869
NVD Published Date:
Sep 8, 2026
NVD Last Modified:
Sep 12, 2026
Source:
ConnectWise
CVE-2026-84869 Details - Not Deferred