{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3564", "assignerOrgId": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "state": "PUBLISHED", "assignerShortName": "ConnectWise", "dateReserved": "2026-03-04T20:04:12.757Z", "datePublished": "2026-03-17T14:48:59.940Z", "dateUpdated": "2026-03-18T03:55:41.186Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "shortName": "ConnectWise", "dateUpdated": "2026-03-17T14:48:59.940Z"}, "title": "ScreenConnect Instance Level Cryptographic Material Exposure", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-347", "description": "CWE-347 Improper Verification of Cryptographic Signature", "type": "CWE"}]}], "affected": [{"vendor": "ConnectWise", "product": "ScreenConnect", "versions": [{"status": "affected", "version": "All versions prior to 26.1"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "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.<br><div>\n\n\n\n\n\n<div>\n\n<div><a></a>\n\n<p><br></p>\n\n</div>\n\n</div>\n\n</div>"}]}], "references": [{"url": "https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletin"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"}}], "solutions": [{"lang": "en", "value": "Cloud:\u00a0No action is required. 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Visit Download\n| ScreenConnect page to download and apply the update (access\nrequires a valid on-premises license).\u00a0\n\n\n\n\n\n\n\n * If your license is out of maintenance, you must upgrade your license https://docs.connectwise.com/ScreenConnect_Documentation/On-premises/On-premises_licensing/Renew_or_upgrade_an_on-premises_license \u00a0before installing\nthe latest supported release of ScreenConnect. \n * For\ninstructions on updating to the newest release, please reference this\ndoc: Upgrade an on-premise\ninstallation - ConnectWise\u00a0\n\n\n\n\n\n\n\n\n\n\n\n\nAutomate On-Prem Partners with ScreenConnect\nIntegration:\n\n\n\nFor partners using an on-premises ScreenConnect\ninstallation integrated with Automate, ScreenConnect 26.1 is available through\nthe Automate Product Updates https://docs.connectwise.com/ConnectWise_Automate_Documentation/Automate_Product_Updates page.\n\n\n\n\n\n\nLink to release\nnotes: ScreenConnect 26.1 / ScreenConnect https://screenconnect.product.connectwise.com/communities/26/topics/5088-screenconnect-261", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><br></p>\n\n<p><b>Cloud:&nbsp;</b>No action is required. 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