Called exploited the same day it was disclosed.
Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.
The life of this vulnerability
- CVE reserved
- CVE published6d
- First KEV listingsame day
- Last KEV listing3d
- Last sighting3d
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federallisted Sep 11, 2026
- EUVDENISA, European Unionlisted Sep 11, 2026
- VulnCheck KEVcommercial researchlisted Sep 8, 2026
- CIRCLaggregator, mirrors the abovelisted Sep 9, 2026, not counted
3 catalogues list it. CIRCL aggregates the others and is shown but not counted.
Public exploitation evidence
- reported exploitationwww.huntress.com/blog/rogue-screenconnect-installations
1 public report collected from VulnCheck and CIRCL, first on Sep 8, 2026. Each links to its original source. We have not verified them.
Description
ConnectWise ScreenConnect contains both an improper privilege management and missing authorization vulnerability that may allow an attacker to file transfer and execution through an active remote sessions without authorization or host confirmation.
Required action (CISA)
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.