CVE-2026-3564 CRITICAL

CVE-2026-3564: ScreenConnect Instance Level Cryptographic Material Exposure

Vendor Connectwise
Product ScreenConnect
Weakness CWE-347
Published March 17, 2026
Last update March 18, 2026
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

A condition in ScreenConnect may allow an actor with access to server-level cryptographic material used for authentication to obtain unauthorized access, including elevated privileges, in certain scenarios.

Key dates

02Disclosure timeline

March 17, 2026 CVE published
March 18, 2026 Record updated