CVE-2026-3564ScreenConnect Instance Level Cryptographic Material Exposure
Updated under an hour ago ()
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It affects ConnectWise ScreenConnect. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 9.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-347
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ConnectWise
- NVD analysis
- Awaiting Analysis
- Record last updated
- Jul 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
ConnectWise ScreenConnect connectwise:screenconnect (from the name) | All server versions prior to 26.1 | CNA record |
References
- https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletin
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.