CVE-2026-12781

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12781", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-06-20T09:39:48.265Z", "datePublished": "2026-06-21T05:45:07.032Z", "dateUpdated": "2026-06-22T10:57:03.648Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-06-21T05:45:07.032Z"}, "title": "EaseUS Partition Master Kernel Driver epmntdrv.sys access control", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "Improper Access Controls"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-266", "lang": "en", "description": "Incorrect Privilege Assignment"}]}], "affected": [{"vendor": "EaseUS", "product": "Partition Master", "versions": [{"version": "14.0", "status": "affected"}, {"version": "14.1", "status": "affected"}, {"version": "14.2", "status": "affected"}, {"version": "14.3", "status": "affected"}, {"version": "14.4", "status": "affected"}, {"version": "14.5", "status": "affected"}], "cpes": ["cpe:2.3:a:easeus:partition_master:*:*:*:*:*:*:*:*"], "modules": ["Kernel Driver"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in EaseUS Partition Master up to 14.5. The affected element is an unknown function in the library epmntdrv.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit is publicly available and might be used. You should upgrade the affected component. The vendor explains: \"We have confirmed that this issue was present only in older versions of the product. Our product has since been updated, and the issue has been resolved in the latest version, so it no longer exists.\""}], "metrics": [{"cvssV4_0": {"version": "4.0", "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/E:P", "baseSeverity": "HIGH"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.8, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.8, "vectorString": "AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-06-20T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-06-20T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-06-20T11:45:08.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "winslow1984 (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/372522", "name": "VDB-372522 | EaseUS Partition Master Kernel Driver epmntdrv.sys access control", "tags": ["vdb-entry"]}, {"url": "https://vuldb.com/vuln/372522/cti", "name": "VDB-372522 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-12781", "name": "CVE-2026-12781 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/835611", "name": "Submit #835611 | EaseUS Partition Master Kernel Driver epmntdrv.sys 14.5 Local Privilege Escapation", "tags": ["third-party-advisory"]}, {"url": "https://winslow1984.com/books/cve-collection/page/easeus-partition-master-145-kernel-driver-epmntdrvsys-local-privilege-escalation", "tags": ["exploit"]}, {"url": "https://www.easeus.com/partition-manager/", "tags": ["patch"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-22T10:56:48.314457Z", "id": "CVE-2026-12781", "options": [{"Exploitation": "poc"}, {"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": "2026-06-22T10:57:03.648Z"}}]}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:easeus:partition_master:*:*:*:*:*:*:*:*"], "modules": ["Kernel Driver"], "product": "Partition Master", "vendor": "EaseUS", "versions": [{"status": "affected", "version": "14.0"}, {"status": "affected", "version": "14.1"}, {"status": "affected", "version": "14.2"}, {"status": "affected", "version": "14.3"}, {"status": "affected", "version": "14.4"}, {"status": "affected", "version": "14.5"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in EaseUS Partition Master up to 14.5. The affected element is an unknown function in the library epmntdrv.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit is publicly available and might be used. You should upgrade the affected component. The vendor explains: \"We have confirmed that this issue was present only in older versions of the product. Our product has since been updated, and the issue has been resolved in the latest version, so it no longer exists.\""}, {"lang": "es", "value": "Una vulnerabilidad fue identificada en EaseUS Partition Master hasta la versi\u00f3n 14.5. El elemento afectado es una funci\u00f3n desconocida en la biblioteca epmntdrv.sys del componente Controlador del kernel. La manipulaci\u00f3n conduce a controles de acceso inadecuados. El ataque necesita ser realizado localmente. El exploit est\u00e1 disponible p\u00fablicamente y podr\u00eda ser utilizado. Deber\u00eda actualizar el componente afectado. El proveedor explica: \u2019Hemos confirmado que este problema solo estaba presente en versiones anteriores del producto. Nuestro producto ha sido actualizado desde entonces, y el problema ha sido resuelto en la \u00faltima versi\u00f3n, por lo que ya no existe.\u2019"}], "id": "CVE-2026-12781", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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:P/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": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-12781", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-22T10:56:48.314457Z", "version": "2.0.3"}}]}, "published": "2026-06-21T08:16:21.907", "references": [{"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-12781"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/835611"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/372522"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/372522/cti"}, {"source": "cna@vuldb.com", "url": "https://winslow1984.com/books/cve-collection/page/easeus-partition-master-145-kernel-driver-epmntdrvsys-local-privilege-escalation"}, {"source": "cna@vuldb.com", "url": "https://www.easeus.com/partition-manager/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}, {"lang": "en", "value": "CWE-284"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.5"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Partition Master", "source": "cna", "vendor": "EaseUS"}, "product": "partition_master", "vendor": "easeus"}], "created": "2026-06-21T09:30:09.166594+00:00", "updated": "2026-06-21T11:15:04.151336+00:00", "vendors": ["easeus", "easeus$PRODUCT$partition_master"]}