CVE-2026-84869
critical CISA KEVConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
Vendor / product: ConnectWise — ScreenConnect
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Required action (CISA)
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.
Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
- https://www.connectwise.com/company/trust/advisories 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
- https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bull... 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869 134c704f-9b21-4f2e-91b3-4a467353bcc0
- https://www.huntress.com/blog/rogue-screenconnect-installations 134c704f-9b21-4f2e-91b3-4a467353bcc0