CVE-2026-3564
ScreenConnect Instance Level Cryptographic Material Exposure
- State
- Published
- Severity
- 9.0 Critical
- Published
- Mar 17, 2026
- Updated
- Jul 9, 2026
- Reserved
- Mar 4, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.0 Critical | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H | ConnectWise |
Weaknesses
- CWE-347 Improper Verification of Cryptographic Signature
Affected Products
| Product | Versions |
|---|---|
ScreenConnectConnectWise |
|
References
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