{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80117", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-25T19:56:44.777Z", "datePublished": "2026-09-04T18:36:18.771Z", "dateUpdated": "2026-09-04T18:53:49.438Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-04T18:36:18.771Z"}, "title": "PassMark PerformanceTest, BurnInTest, and OSForensics Arbitrary I/O Port Access via DirectIo64.sys", "descriptions": [{"lang": "en", "value": "PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain a privilege escalation vulnerability in DirectIo64.sys that allows local users to issue arbitrary IN and OUT instructions to any x86 I/O port due to missing allowlist or port validation on exposed IOCTLs. Attackers can obtain a device handle and write to sensitive ports including the PS/2 controller port, CPU reset ports, CMOS configuration ports, and interrupt controller ports to cause an immediate system reset or other hardware-level manipulation from a standard user account."}], "datePublic": "2026-06-24T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-782", "description": "Exposed IOCTL with Insufficient Access Control", "type": "CWE"}]}], "affected": [{"defaultStatus": "affected", "vendor": "PassMark Software", "product": "PerformanceTest", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThan": "11.1 build 1012"}]}, {"defaultStatus": "affected", "vendor": "PassMark Software", "product": "BurnInTest", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThan": "11.1 build 1000"}]}, {"defaultStatus": "affected", "vendor": "PassMark Software", "product": "OSForensics", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThan": "11.1 build 1016"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "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": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"}}], "references": [{"url": "https://github.com/floppywiggler/directio64-disclosure", "name": "Researcher Disclosure", "tags": ["technical-description"]}, {"url": "https://www.passmark.com/products/performancetest/history.php", "name": "PerformanceTest Changelog", "tags": ["release-notes", "patch"]}, {"url": "https://www.passmark.com/products/burnintest/history.php", "name": "BurnInTest Changelog", "tags": ["release-notes", "patch"]}, {"url": "https://www.osforensics.com/whats-new.html", "name": "OSForensics Changelog", "tags": ["release-notes", "patch"]}, {"url": "https://dkom.dev/posts/directio64-disclosure/", "name": "Technical Analysis and Decompiled Evidence", "tags": ["technical-description"]}, {"url": "https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-arbitrary-i-o-port-access-via-directio64-sys", "tags": ["third-party-advisory"]}], "credits": [{"lang": "en", "value": "Emil S\u00f8rbr\u00f8den", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "vulncheck"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-04T18:53:15.285367Z", "id": "CVE-2026-80117", "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": "2026-09-04T18:53:49.438Z"}}]}}

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