How severe is CVE-2026-84869?

CVE-2026-84869 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-84869 being actively exploited?

Yes. CVE-2026-84869 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-11, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-84869?

CVE-2026-84869 affects Connectwise Screenconnect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-84869?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

When was CVE-2026-84869 published?

CVE-2026-84869 was published on 2026-09-08 and last updated on 2026-09-12.

CVE-2026-84869

CVE-2026-84869 is a critical-severity vulnerability in Connectwise Screenconnect with a CVSS 3.x base score of 9.9. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-09-11). The underlying weakness is classified as CWE-269.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-09-11)
Weakness: CWE-269
Affected product: Connectwise Screenconnect
Published: 2026-09-08
Last modified: 2026-09-12

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.

Frequently asked questions

What is CVE-2026-84869?: 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.
How severe is CVE-2026-84869?: CVE-2026-84869 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-84869 being actively exploited?: Yes. CVE-2026-84869 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-09-11, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-84869?: CVE-2026-84869 affects Connectwise Screenconnect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-84869?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
When was CVE-2026-84869 published?: CVE-2026-84869 was published on 2026-09-08 and last updated on 2026-09-12.

References

Affected products (1)

cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*

More vulnerabilities in Connectwise Screenconnect

CVE-2024-1709 — Critical (CVSS 10.0): ConnectWise ScreenConnect 23.9.7 and prior are affected by an Authentication Bypass Using an Alternate Path or…
CVE-2025-14265 — Critical (CVSS 9.1): In versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension…
CVE-2024-1708 — High (CVSS 8.4): ConnectWise ScreenConnect 23.9.7 and prior are affected by path-traversal vulnerability, which may allow an attacker…
CVE-2025-3935 — High (CVSS 8.1): ScreenConnect versions 25.2.3 and earlier versions may be susceptible to a ViewState code injection attack. ASP.NET Web…
CVE-2023-47257 — High (CVSS 8.1): ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via…
CVE-2023-47256 — Medium (CVSS 5.5): ConnectWise ScreenConnect through 23.8.4 allows local users to connect to arbitrary relay servers via implicit trust of…

All CVEs affecting Connectwise Screenconnect →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-60366 — Critical (CVSS 10.0): Vulnerability in the Oracle Platform Security for Java product of Oracle Fusion Middleware (component: Centralized…
CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →