{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-79298", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-17T15:11:22.892Z", "dateReserved": "2026-08-25T00:00:00.000Z", "datePublished": "2026-09-16T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-16T18:51:53.353Z"}, "descriptions": [{"lang": "en", "value": "An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy"}, {"url": "https://github.com/TheMalwareGuardian/CVE-2026-79298"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-693", "lang": "en", "description": "CWE-693 Protection Mechanism Failure"}]}], "references": [{"url": "https://github.com/TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy", "tags": ["exploit"]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-17T15:11:18.342765Z", "id": "CVE-2026-79298", "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": "2026-09-17T15:11:22.892Z"}}]}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP."}], "id": "CVE-2026-79298", "lastModified": "2026-09-17T16:17:44.000", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-79298", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-17T15:11:18.342765Z", "version": "2.0.3"}}]}, "published": "2026-09-16T19:17:41.113", "references": [{"source": "cve@mitre.org", "url": "https://github.com/TheMalwareGuardian/CVE-2026-79298"}, {"source": "cve@mitre.org", "url": "https://github.com/TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2026-09-17T23:00:13.485755+00:00", "title": "Local Code Execution in SysReturn via EFI File", "updated": "2026-09-17T23:00:13.485761+00:00", "vendors": []}