{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97732", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-09-25T03:29:15.535Z", "datePublished": "2026-09-25T03:29:16.344Z", "dateUpdated": "2026-09-25T03:29:16.344Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unknown", "modules": ["tvk.sys kernel-mode driver"], "platforms": ["Windows"], "product": "Ironshield", "vendor": "IRONMACE", "versions": [{"status": "affected", "version": "1.0.0.167", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "IRONMACE Ironshield 1.0.0.167 has a tvk.sys kernel-mode driver that authenticates client executables by checking for expected publisher and root-certificate strings in WIN_CERTIFICATE data (\"IRONMACE Co., Ltd.\" and \"DigiCert Trusted Root G4\") instead of parsing and validating the PKCS signature data. As a result, a local unprivileged attacker may bypass this via crafted certificate data and obtain access to privileged IOCTL functionality."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "description": "CWE-347 Improper Verification of Cryptographic Signature", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-25T03:29:16.344Z"}, "references": [{"url": "https://github.com/hseoa/ironshield-analysis"}, {"url": "https://store.steampowered.com/eula/2016590_eula_0"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "modules": ["tvk.sys kernel-mode driver"], "platforms": ["Windows"], "product": "Ironshield", "vendor": "IRONMACE", "versions": [{"status": "affected", "version": "1.0.0.167", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "IRONMACE Ironshield 1.0.0.167 has a tvk.sys kernel-mode driver that authenticates client executables by checking for expected publisher and root-certificate strings in WIN_CERTIFICATE data (\"IRONMACE Co., Ltd.\" and \"DigiCert Trusted Root G4\") instead of parsing and validating the PKCS signature data. As a result, a local unprivileged attacker may bypass this via crafted certificate data and obtain access to privileged IOCTL functionality."}], "id": "CVE-2026-97732", "lastModified": "2026-09-25T04:17:50.537", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 2.5, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-09-25T04:17:50.537", "references": [{"source": "cve@mitre.org", "url": "https://github.com/hseoa/ironshield-analysis"}, {"source": "cve@mitre.org", "url": "https://store.steampowered.com/eula/2016590_eula_0"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"created": "2026-09-25T09:00:14.760782+00:00", "title": "Unprivileged Certificate Bypass in IRONMACE Ironshield tvk.sys Driver", "updated": "2026-09-25T09:00:14.760789+00:00", "vendors": []}