CVE-2026-9789

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9789", "assignerOrgId": "8fc372e3-d9c5-46e4-9410-38469745c639", "state": "PUBLISHED", "assignerShortName": "Acer", "dateReserved": "2026-05-28T02:16:31.420Z", "datePublished": "2026-05-28T02:39:40.930Z", "dateUpdated": "2026-05-28T13:12:02.598Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8fc372e3-d9c5-46e4-9410-38469745c639", "shortName": "Acer", "dateUpdated": "2026-05-28T02:39:40.930Z"}, "title": "NitroSense V3: Security Vulnerability Information", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269: Improper Privilege Management", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-284", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-732", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-69", "descriptions": [{"lang": "en", "value": "CAPEC-69 Target Programs with Elevated Privileges"}]}], "affected": [{"vendor": "Acer", "product": "NitrorSense V3", "versions": [{"status": "affected", "version": "3.01.3001", "lessThanOrEqual": "3.01.3052", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A Local Privilege Escalation (LPE) vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List (ACL). This allows any authenticated local user to connect and send commands. Because the service does not check the caller's privileges before running file deletion commands, a low-privileged local user can exploit this to delete arbitrary files with system authority.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A Local Privilege Escalation (LPE) vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List (ACL). This allows any authenticated local user to connect and send commands. Because the service does not check the caller's privileges before running file deletion commands, a low-privileged local user can exploit this to delete arbitrary files with system authority."}]}], "references": [{"url": "https://community.acer.com/en/kb/articles/19670"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.5, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "This issue is resolved in NitroSense versions V3.01.3056.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "This issue is resolved in NitroSense versions V3.01.3056."}]}], "credits": [{"lang": "en", "value": "Vo Duc Thang", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-28T13:11:55.727489Z", "id": "CVE-2026-9789", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T13:12:02.598Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-9789", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-28T13:11:55.727489Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T13:11:59.272Z"}}], "cna": {"title": "NitroSense V3: Security Vulnerability Information", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Vo Duc Thang"}], "impacts": [{"capecId": "CAPEC-69", "descriptions": [{"lang": "en", "value": "CAPEC-69 Target Programs with Elevated Privileges"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.5, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Acer", "product": "NitrorSense V3", "versions": [{"status": "affected", "version": "3.01.3001", "versionType": "custom", "lessThanOrEqual": "3.01.3052"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "This issue is resolved in NitroSense versions V3.01.3056.", "supportingMedia": [{"type": "text/html", "value": "This issue is resolved in NitroSense versions V3.01.3056.", "base64": false}]}], "references": [{"url": "https://community.acer.com/en/kb/articles/19670"}], "x_generator": {"engine": "Vulnogram 1.0.2"}, "descriptions": [{"lang": "en", "value": "A Local Privilege Escalation (LPE) vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List (ACL). This allows any authenticated local user to connect and send commands. Because the service does not check the caller's privileges before running file deletion commands, a low-privileged local user can exploit this to delete arbitrary files with system authority.", "supportingMedia": [{"type": "text/html", "value": "A Local Privilege Escalation (LPE) vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List (ACL). This allows any authenticated local user to connect and send commands. Because the service does not check the caller's privileges before running file deletion commands, a low-privileged local user can exploit this to delete arbitrary files with system authority.", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-269", "description": "CWE-269: Improper Privilege Management"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284: Improper Access Control"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-732", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource"}]}], "providerMetadata": {"orgId": "8fc372e3-d9c5-46e4-9410-38469745c639", "shortName": "Acer", "dateUpdated": "2026-05-28T02:39:40.930Z"}}}, "cveMetadata": {"cveId": "CVE-2026-9789", "state": "PUBLISHED", "dateUpdated": "2026-05-28T13:12:02.598Z", "dateReserved": "2026-05-28T02:16:31.420Z", "assignerOrgId": "8fc372e3-d9c5-46e4-9410-38469745c639", "datePublished": "2026-05-28T02:39:40.930Z", "assignerShortName": "Acer"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "NitrorSense V3", "vendor": "Acer", "versions": [{"lessThanOrEqual": "3.01.3052", "status": "affected", "version": "3.01.3001", "versionType": "custom"}]}], "source": "8fc372e3-d9c5-46e4-9410-38469745c639"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Local Privilege Escalation (LPE) vulnerability affects Acer NitroSense software versions prior to 3.01.3052. The vulnerability stems from the the PSAdminAgent service, which creates a Named Pipe with a weak Access Control List (ACL). This allows any authenticated local user to connect and send commands. Because the service does not check the caller's privileges before running file deletion commands, a low-privileged local user can exploit this to delete arbitrary files with system authority."}, {"lang": "es", "value": "Una vulnerabilidad de escalada de privilegios local (LPE) afecta a las versiones del software Acer NitroSense anteriores a la 3.01.3052. La vulnerabilidad se origina en el servicio PSAdminAgent, que crea una tuber\u00eda con nombre (Named Pipe) con una lista de control de acceso (ACL) d\u00e9bil. Esto permite a cualquier usuario local autenticado conectarse y enviar comandos. Debido a que el servicio no verifica los privilegios del llamador antes de ejecutar comandos de eliminaci\u00f3n de archivos, un usuario local con pocos privilegios puede explotar esto para eliminar archivos arbitrarios con autoridad de sistema."}], "id": "CVE-2026-9789", "lastModified": "2026-10-26T12:10:00.130", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "8fc372e3-d9c5-46e4-9410-38469745c639", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9789", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-28T13:11:55.727489Z", "version": "2.0.3"}}]}, "published": "2026-05-28T03:16:44.200", "references": [{"source": "8fc372e3-d9c5-46e4-9410-38469745c639", "url": "https://community.acer.com/en/kb/articles/19670"}], "sourceIdentifier": "8fc372e3-d9c5-46e4-9410-38469745c639", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-269"}, {"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-732"}], "source": "8fc372e3-d9c5-46e4-9410-38469745c639", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.01.3001,3.01.3052]"}}], "enrichment": {"confidence": 97.0, "confidence_source": "matching", "scores": [{"score": 97.0, "source": "matching"}]}, "original": {"product": "NitrorSense V3", "source": "cna", "vendor": "Acer"}, "product": "nitrosense_v3", "vendor": "acer"}], "created": "2026-05-28T04:45:07.542677+00:00", "title": "Local Privilege Escalation via PSAdminAgent Named Pipe ACL in Acer NitroSense", "updated": "2026-05-30T21:00:12.252134+00:00", "vendors": ["acer", "acer$PRODUCT$nitrosense_v3"]}