CVE-2026-84869Connectwise Screenconnect Improper Privilege Management
Vulnerability Summary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HAffected & Patched Versions
- Connectwise Screenconnect < 26.6.5.9742
- Connectwise Screenconnect 26.6.5.9742
What to do
Patch now. CISA lists this flaw as exploited in the wild and set a federal remediation deadline of Sep 14, 2026.
- Check whether you run Connectwise Screenconnect and which version.
- Update to a patched version listed above, then confirm the new version.
- Review logs and exposed services for signs of earlier compromise.
CISA 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 KEV Status
Remediation due: Sep 14, 2026 (deadline passed)
Timeline
- Sep 8, 2026Published
- Sep 11, 2026Added to CISA KEV catalog
- Sep 12, 2026Record last modified
- Sep 14, 2026KEV remediation due date
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
Related Coverage
More Connectwise Screenconnect CVEs
External References
- Advisoryhttps://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869
- Vendor Advisoryhttps://www.connectwise.com/company/trust/advisories
- Vendor Advisoryhttps://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin
- Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869
- Advisoryhttps://www.huntress.com/blog/rogue-screenconnect-installations
Data last checked: Nov 13, 2026 21:28 UTC