ConnectWise ScreenConnect: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-2026-1890 · first 11.06.2026 · updated 11.06.2026 · CVSS 4,7
What it is about
ConnectWise ScreenConnect ist eine Softwarelösung für Fernzugriff, Fernsupport und Fernwartung von Computern, Servern, virtuellen Maschinen und mobilen Geräten. Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in ConnectWise ScreenConnect ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Under what conditions?
Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
Am I affected?
Affected according to the BSI:
- ConnectWise ScreenConnect <26.2
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- ConnectWise ScreenConnect 26.2
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- Connectwise Advisory vom 2026-06-10 github.com
- EU Vulnerability Database vom 2026-06-10 euvd.enisa.europa.eu
CVE: CVE-2026-11596
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.