CVE-2026-84869
KEVConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
View CVE record →- Vendor / Project
- ConnectWise
- Product
- ScreenConnect
- Date added
- Sep 11, 2026
- Due date
- Sep 14, 2026
- Known ransomware use
- Unknown
- CWEs
- CWE-269, CWE-862
Description
ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to transfer and execute files through an active remote session without authorization or host confirmation.
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.
Notes
- https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin
- BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- https://nvd.nist.gov/vuln/detail/CVE-2026-84869