Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since September 11, 2026.
CVE-2026-84869
ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
Added to KEV September 11, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-84869
- CWE
- CWE-269CWE-862
- Affected products
- ScreenConnect · ConnectWise ScreenConnect · ConnectWise
What happened
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.
What it means for your business
ConnectWise ScreenConnect is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-84869). 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. CISA remediation due date: 2026-09-14. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: September 14, 2026
Sources
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