CVE-2026-80112 PassMark PerformanceTest, BurnInTest, and OSForensics Improper Access Control via DirectIo64.sys
Unprivileged local users can escalate privileges by exploiting improper access control in the DirectIo64.sys kernel driver to perform restricted hardware operations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80112?
CVE-2026-80112 is a high-severity vulnerability in PassMark Software BurnInTest, published on 4 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-732
Which versions are affected by CVE-2026-80112?
How do I fix CVE-2026-80112?
No fix has been published for CVE-2026-80112 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-80112 being exploited?
There is no known exploitation of CVE-2026-80112 in the wild and no public exploit code.
Sources
Also known as GHSA-p9w8-j39h-68rj.