CVE-2026-3564
criticalpriority · track · 0EPSS 0.004 · 30 %ileDEEUEPSS · scored 2026-10-26
A condition in the ScreenConnect server component may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios. ScreenConnect host and guest client agents are not independently affected by this CVE.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0763ConnectWise ScreenConnect: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen und potenziell PrivilegieneskalationDeutsch2026-03-17csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in ConnectWise ScreenConnect ausnutzen, um Sicherheitsvorkehrungen zu umgehen, und potenziell um seine Privilegien zu erhöhen.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletincnnvd
- https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletinenisa_euvd
- https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletinnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan