CVE-2026-84869

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84869", "assignerOrgId": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "state": "PUBLISHED", "assignerShortName": "ConnectWise", "dateReserved": "2026-09-02T13:57:51.898Z", "datePublished": "2026-09-08T19:29:33.630Z", "dateUpdated": "2026-09-12T03:55:19.450Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "shortName": "ConnectWise", "dateUpdated": "2026-09-08T19:29:33.630Z"}, "title": "ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "affected": [{"vendor": "ConnectWise", "product": "ScreenConnect", "versions": [{"status": "affected", "version": "All versions prior to 26.6.5"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted."}]}], "references": [{"url": "https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin"}, {"url": "https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869"}, {"url": "https://www.connectwise.com/company/trust/advisories"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}}], "workarounds": [{"lang": "en", "value": "If you are\nunable to apply the update immediately due to maintenance windows or\nchange-freeze policies, you can implement the following as a temporary\nmitigation to help reduce exposure until the update can be applied. This is\nnot a substitute for installing the security update.\n\n\n\n\n\n\n\n * Navigate to the Administration > Security > Roles section. \n * Edit\na role, review each session group that has permissions assigned to it, and\ndeselect the TransferFiles permission if it is selected.\n * Save\nyour changes. Repeat for each role.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>If you are\nunable to apply the update immediately due to maintenance windows or\nchange-freeze policies, you can implement the following as a temporary\nmitigation to help reduce exposure until the update can be applied. <b>This is\nnot a substitute for installing the security update</b>.</p>\n\n<p></p><ol><li>Navigate to the <b>Administration &gt; Security &gt; Roles</b> section. </li><li>Edit\na role, review each session group that has permissions assigned to it, and\ndeselect the <b>TransferFiles</b> permission if it is selected.</li><li>Save\nyour changes. Repeat for each role.</li></ol><p></p>"}]}], "solutions": [{"lang": "en", "value": "Cloud:\u00a0Updated to the latest release. We recommend that\npartners reinstall their host clients https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_client/Reinstall_the_host_client and update their access agents https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_page/Reinstall_and_upgrade_an_access_agent .\n\n\n\nOn-prem:\u00a0Upgrade to ScreenConnect client version 26.6.5 or later.\n\n\n\nAutomate-integrated ScreenConnect deployments:\u00a0Automate partners are eligible to update their integrated\non-premises ScreenConnect installation as long as their Automate Assurance\nsubscription is active. Automate partners should apply the ScreenConnect 26.6.5 update through Automate\nProduct Updates.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><b>Cloud:&nbsp;</b><span>Updated to the latest release. We recommend that\npartners </span><a href=\"https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_client/Reinstall_the_host_client\">reinstall their host clients</a><span> and </span><a href=\"https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_page/Reinstall_and_upgrade_an_access_agent\">update their access agents</a><span>.</span></p><p><b>On-prem</b>:&nbsp;<span>Upgrade to ScreenConnect client version </span><span>26.6.5 </span><span>or later.</span></p><p><b>Automate-integrated ScreenConnect deployments:&nbsp;</b><span>Automate partners are eligible to update their integrated\non-premises ScreenConnect installation as long as their Automate Assurance\nsubscription is active. Automate partners should apply the ScreenConnect </span><span>26.6.5 </span><span>update through Automate\nProduct Updates.</span></p>"}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-10T00:00:00+00:00", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-84869"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-09-11", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869"}}}], "references": [{"url": "https://www.huntress.com/blog/rogue-screenconnect-installations", "tags": ["third-party-advisory"]}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869", "tags": ["government-resource"]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-12T03:55:19.450Z"}, "timeline": [{"time": "2026-09-11T00:00:00.000Z", "lang": "en", "value": "CVE-2026-84869 added to CISA KEV"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-84869", "role": "CISA Coordinator", "options": [{"Exploitation": "active"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-11T18:50:39.725092Z"}}}, {"other": {"type": "kev", "content": {"dateAdded": "2026-09-11", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869"}}}], "references": [{"url": "https://www.huntress.com/blog/rogue-screenconnect-installations", "tags": ["third-party-advisory"]}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869", "tags": ["government-resource"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T20:46:25.354Z"}, "timeline": [{"lang": "en", "time": "2026-09-11T00:00:00.000Z", "value": "CVE-2026-84869 added to CISA KEV"}]}], "cna": {"title": "ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions", "source": {"discovery": "UNKNOWN"}, "impacts": [{"capecId": "CAPEC-1", "descriptions": [{"lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "ConnectWise", "product": "ScreenConnect", "versions": [{"status": "affected", "version": "All versions prior to 26.6.5"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Cloud:\u00a0Updated to the latest release. We recommend that\npartners reinstall their host clients https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_client/Reinstall_the_host_client and update their access agents https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_page/Reinstall_and_upgrade_an_access_agent .\n\n\n\nOn-prem:\u00a0Upgrade to ScreenConnect client version 26.6.5 or later.\n\n\n\nAutomate-integrated ScreenConnect deployments:\u00a0Automate partners are eligible to update their integrated\non-premises ScreenConnect installation as long as their Automate Assurance\nsubscription is active. Automate partners should apply the ScreenConnect 26.6.5 update through Automate\nProduct Updates.", "supportingMedia": [{"type": "text/html", "value": "<p><b>Cloud:&nbsp;</b><span>Updated to the latest release. We recommend that\npartners </span><a href=\"https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_client/Reinstall_the_host_client\">reinstall their host clients</a><span> and </span><a href=\"https://docs.connectwise.com/ScreenConnect_Documentation/Get_started/Host_page/Reinstall_and_upgrade_an_access_agent\">update their access agents</a><span>.</span></p><p><b>On-prem</b>:&nbsp;<span>Upgrade to ScreenConnect client version </span><span>26.6.5 </span><span>or later.</span></p><p><b>Automate-integrated ScreenConnect deployments:&nbsp;</b><span>Automate partners are eligible to update their integrated\non-premises ScreenConnect installation as long as their Automate Assurance\nsubscription is active. Automate partners should apply the ScreenConnect </span><span>26.6.5 </span><span>update through Automate\nProduct Updates.</span></p>", "base64": false}]}], "references": [{"url": "https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin"}, {"url": "https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869"}, {"url": "https://www.connectwise.com/company/trust/advisories"}], "workarounds": [{"lang": "en", "value": "If you are\nunable to apply the update immediately due to maintenance windows or\nchange-freeze policies, you can implement the following as a temporary\nmitigation to help reduce exposure until the update can be applied. This is\nnot a substitute for installing the security update.\n\n\n\n\n\n\n\n * Navigate to the Administration > Security > Roles section. \n * Edit\na role, review each session group that has permissions assigned to it, and\ndeselect the TransferFiles permission if it is selected.\n * Save\nyour changes. Repeat for each role.", "supportingMedia": [{"type": "text/html", "value": "<p>If you are\nunable to apply the update immediately due to maintenance windows or\nchange-freeze policies, you can implement the following as a temporary\nmitigation to help reduce exposure until the update can be applied. <b>This is\nnot a substitute for installing the security update</b>.</p>\n\n<p></p><ol><li>Navigate to the <b>Administration &gt; Security &gt; Roles</b> section. </li><li>Edit\na role, review each session group that has permissions assigned to it, and\ndeselect the <b>TransferFiles</b> permission if it is selected.</li><li>Save\nyour changes. Repeat for each role.</li></ol><p></p>", "base64": false}]}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.", "supportingMedia": [{"type": "text/html", "value": "A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management"}]}], "providerMetadata": {"orgId": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "shortName": "ConnectWise", "dateUpdated": "2026-09-08T19:29:33.630Z"}}}, "cveMetadata": {"cveId": "CVE-2026-84869", "state": "PUBLISHED", "dateUpdated": "2026-09-12T03:55:19.450Z", "dateReserved": "2026-09-02T13:57:51.898Z", "assignerOrgId": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "datePublished": "2026-09-08T19:29:33.630Z", "assignerShortName": "ConnectWise"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "ScreenConnect", "vendor": "ConnectWise", "versions": [{"status": "affected", "version": "All versions prior to 26.6.5"}]}], "source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49"}], "cisaActionDue": "2026-09-14", "cisaExploitAdd": "2026-09-11", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:*", "matchCriteriaId": "270783CF-B4ED-4608-A583-A9F7B80DC877", "versionEndExcluding": "26.6.5.9742", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A condition in the ScreenConnect client may allow files to be transferred and executed through an active remote session without authorization or Host confirmation in certain circumstances. ScreenConnect servers are not impacted."}], "id": "CVE-2026-84869", "lastModified": "2026-09-12T04:16:42.757", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-84869", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-10T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-09-08T20:18:51.147", "references": [{"source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "tags": ["Third Party Advisory"], "url": "https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-84869"}, {"source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "tags": ["Vendor Advisory"], "url": "https://www.connectwise.com/company/trust/advisories"}, {"source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "tags": ["Vendor Advisory"], "url": "https://www.connectwise.com/company/trust/security-bulletins/2026-09-08-screenconnect-bulletin"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-84869"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Third Party Advisory"], "url": "https://www.huntress.com/blog/rogue-screenconnect-installations"}], "sourceIdentifier": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}, {"lang": "en", "value": "CWE-862"}], "source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.6.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ScreenConnect", "source": "cna", "vendor": "ConnectWise"}, "product": "screenconnect", "vendor": "connectwise"}], "created": "2026-09-09T13:45:10.702620+00:00", "updated": "2026-09-21T05:15:09.639429+00:00", "vendors": ["connectwise", "connectwise$PRODUCT$screenconnect"]}