CVE-2026-80116

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 modify hardware configuration by exploiting exposed IOCTLs with no validation on device selection, register offset, or value. Attackers can obtain a device handle and issue arbitrary PCI configuration space read/write operations to enable Bus Master DMA on any PCI device, halt storage controller I/O by clearing command registers, or remap Base Address Registers to redirect DMA to an attacker-chosen physical address.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://dkom.dev/posts/directio64-disclosure/
https://github.com/floppywiggler/directio64-disclosure
https://www.osforensics.com/whats-new.html
https://www.passmark.com/products/burnintest/history.php
https://www.passmark.com/products/performancetest/history.php
https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-privilege-escalation-via-directio64-sys-ioctl

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-04 19:17

Updated : 2026-09-08 20:10

NVD link : CVE-2026-80116

Mitre link : CVE-2026-80116

CVE.ORG link : CVE-2026-80116

JSON object : View

Products Affected

No product.

CWE

CWE-782

Exposed IOCTL with Insufficient Access Control

{"id": "CVE-2026-80116", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-80116", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-08T17:47:23.415398Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"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/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "PassMark Software", "product": "PerformanceTest", "versions": [{"status": "affected", "version": "0", "lessThan": "11.1 build 1012", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "PassMark Software", "product": "BurnInTest", "versions": [{"status": "affected", "version": "0", "lessThan": "11.1 build 1000", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "PassMark Software", "product": "OSForensics", "versions": [{"status": "affected", "version": "0", "lessThan": "11.1 build 1016", "versionType": "custom"}], "defaultStatus": "affected"}]}], "published": "2026-09-04T19:17:28.420", "references": [{"url": "https://dkom.dev/posts/directio64-disclosure/", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/floppywiggler/directio64-disclosure", "source": "disclosure@vulncheck.com"}, {"url": "https://www.osforensics.com/whats-new.html", "source": "disclosure@vulncheck.com"}, {"url": "https://www.passmark.com/products/burnintest/history.php", "source": "disclosure@vulncheck.com"}, {"url": "https://www.passmark.com/products/performancetest/history.php", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-privilege-escalation-via-directio64-sys-ioctl", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-782"}]}], "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 modify hardware configuration by exploiting exposed IOCTLs with no validation on device selection, register offset, or value. Attackers can obtain a device handle and issue arbitrary PCI configuration space read/write operations to enable Bus Master DMA on any PCI device, halt storage controller I/O by clearing command registers, or remap Base Address Registers to redirect DMA to an attacker-chosen physical address."}], "lastModified": "2026-09-08T20:10:30.270", "sourceIdentifier": "disclosure@vulncheck.com"}