CVE-2026-80112 PUBLISHED

PassMark PerformanceTest, BurnInTest, and OSForensics Improper Access Control via DirectIo64.sys

Assigner: VulnCheck
Reserved: 25.08.2026 Published: 04.09.2026 Updated: 04.09.2026

PassMark PerformanceTest before 11.1 build 1012, BurnInTest before 11.1 build 1000, and OSForensics before 11.1 build 1016 contain an improper access control vulnerability in the DirectIo64.sys kernel driver that allows unprivileged local users to perform privileged hardware operations by opening a handle to the device object created without a security descriptor. Attackers can issue IOCTLs through the permissive default Windows ACL applied to the device to access restricted hardware operations regardless of privilege or integrity level.

Metrics

CVSS 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
CVSS Score: 8.5

Product Status

Vendor PassMark Software
Product PerformanceTest
Versions Default: affected
  • affected from 0 to 11.1 build 1012 (excl.)
Vendor PassMark Software
Product BurnInTest
Versions Default: affected
  • affected from 0 to 11.1 build 1000 (excl.)
Vendor PassMark Software
Product OSForensics
Versions Default: affected
  • affected from 0 to 11.1 build 1016 (excl.)

Credits

  • Emil Sørbrøden finder

References

Problem Types

  • Incorrect Permission Assignment for Critical Resource CWE