ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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 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
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation Context
as of October 14, 2026- CISA added CVE-2026-84869 to the KEV catalog 3 days after its CVE record was published. The median for entries added in 2026 so far is 15 days.
- It is one of 4 ConnectWise entries in the CISA KEV catalog, and one of 2 added in 2026.
- Its current EPSS score (0.9%) is higher than that of 3% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| ConnectWise | ConnectWise ScreenConnect | All versions prior to 26.6.5 |
References
3 LinksRecord Details
More from ConnectWise
Authentication bypass using an alternate path or channel
Improper limitation of a pathname to a restricted directory (“path traversal”)
ScreenConnect Exposure to ASP.NET ViewState Code Injection
Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.