{"cvss":0.0,"datePublished":"2026-03-17T00:00:00Z","dateUpdated":"2026-03-17T00:00:00Z","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.","dueDate":"","id":"CVE-2026-3564","kev_catalogs":["vulncheck"],"knownRansomwareCampaignUse":"Unknown","product":"ScreenConnect","requiredAction":"Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.","severity":"HIGH","source":"vulncheck_kev","title":"ConnectWise ScreenConnect Improper Verification of Cryptographic Signature","vendor":"ConnectWise"}