CVE-2026-80117
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 7.1
- CVSS vector
- 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
- EPSS probability
- 0.11%
- CWE
- CWE-782
- Published
- 2026-09-04
- Last modified
- 2026-09-04
Affected products
- PassMark Software PerformanceTest
- PassMark Software BurnInTest
- PassMark Software OSForensics
Weakness type
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