Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck
CVE-2026-80116PassMark PerformanceTest, BurnInTest, and OSForensics Privilege Escalation via DirectIo64.sys IOCTL
High 7.8
In plain English
A high-severity security flaw in BurnInTest from PassMark Software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PassMark Software | PerformanceTest | 0 – before 11.1 build 1012 |
| PassMark Software | BurnInTest | 0 – before 11.1 build 1000 |
| PassMark Software | OSForensics | 0 – before 11.1 build 1016 |
Weakness: CWE-782 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- Researcher Disclosure technical-description, exploit
- PerformanceTest Changelog release-notes, patch
- BurnInTest Changelog release-notes, patch
- OSForensics Changelog release-notes, patch
- Technical Analysis and Decompiled Evidence technical-description
- https://www.vulncheck.com/advisories/passmark-performancetest-burnintest-and-osforensics-privilege-escalation-via-directio64-sys-ioctl third-party-advisory