CVE-2026-84869
9.9, critical Known exploitedConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability
- CVSS
- 9.9, critical critical CVSS v3.1
- EPSS, next 30 days
- 0.9% higher than 59.7% of scored CVEs
- Exploitation
- Confirmed in the wild
- Published
- 8 Sept 2026a month ago
Known exploited
CISA added this to the Known Exploited Vulnerabilities Catalog on 11 Sept 2026. US federal agencies had to remediate by 14 Sept 2026, a deadline that has passed.
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.
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.
Details
- Vendor
- ConnectWise
- Product
- ScreenConnect
- Weakness
- CWE-269 (opens in a new tab)
- Status
- Analyzed
- Updated
- 12 Sept 2026
- Assigner
- 7d616e1a-3288-43b1-a0dd-0a65d3e70a49
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References 5
Advisories 4
- github.com /ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869 (opens in a new tab)
- connectwise.com /company/trust/advisories (opens in a new tab)
- connectwise.com /company/trust/security-bulletins/2026-09-08-screenconnect-bulletin (opens in a new tab)
- huntress.com /blog/rogue-screenconnect-installations (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Other ConnectWise CVEs
Every ConnectWise CVE we holdSame vendor in what we hold, not a known link between the flaws.
- CVE-2025-3935 ConnectWise ScreenConnect Improper Authentication Vulnerability KEV EPSS 4% 7.2, high
- CVE-2024-1708 ConnectWise ScreenConnect Path Traversal Vulnerability KEV EPSS 95% 8.4, high
- CVE-2024-1709 ConnectWise ScreenConnect Authentication Bypass Vulnerability KEV EPSS 100% 10, critical
Beyond this page
Is CVE-2026-84869 in your network?
This page tells you how dangerous CVE-2026-84869 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.
CVE-2026-84869 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.
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EXYS7600 OCELOT
Find it before attackers do
Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-84869 comes with the devices to patch.
Learn more about EXYS7600 OCELOT -
EXYS7950 KONDRA
Detect it if it's exploited
Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.
Learn more about EXYS7950 KONDRA
Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.