{"id":"CVE-2026-80116","state":"PUBLISHED","title":"PassMark PerformanceTest, BurnInTest, and OSForensics Privilege Escalation via DirectIo64.sys IOCTL","description":"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.","publishedAt":"2026-09-04T18:35:37.454Z","updatedAt":"2026-10-01T19:19:34.322Z","severity":{"score":8.5,"label":"High","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["PassMark Software PerformanceTest","PassMark Software BurnInTest","PassMark Software OSForensics"],"affected":[{"vendor":"PassMark Software","product":"PerformanceTest","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"11.1 build 1012","versionType":"custom"}]},{"vendor":"PassMark Software","product":"BurnInTest","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"11.1 build 1000","versionType":"custom"}]},{"vendor":"PassMark Software","product":"OSForensics","defaultStatus":"affected","versions":[{"version":"0","status":"affected","lessThan":"11.1 build 1016","versionType":"custom"}]}],"references":["https://github.com/floppywiggler/directio64-disclosure","https://www.passmark.com/products/performancetest/history.php","https://www.passmark.com/products/burnintest/history.php","https://www.osforensics.com/whats-new.html","https://dkom.dev/posts/directio64-disclosure/","https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-privilege-escalation-via-directio64-sys-ioctl"],"weaknesses":["CWE-782"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80116.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80116","state":"PUBLISHED","datePublished":"2026-09-04T18:35:37.454Z","dateUpdated":"2026-10-01T19:19:34.322Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-25T19:56:44.777Z"},"containers":{"cna":{"title":"PassMark PerformanceTest, BurnInTest, and OSForensics Privilege Escalation via DirectIo64.sys IOCTL","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. 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