CVE-2025-52347 Privilege escalation in n/a
Attackers can escalate privileges and access kernel memory via a crafted IOCTL call in PassMark system utilities.
- 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-2025-52347?
CVE-2025-52347 is a high-severity vulnerability in n/a, published on 1 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue in the component DirectIo64.sys of PassMark BurnInTest v11.0 Build 1011, OSForensics v11.1 Build 1007, and PerformanceTest v11.1 Build 1004 allows attackers to access kernel memory and escalate privileges via a crafted IOCTL 0x8011E044 call.
Which versions are affected by CVE-2025-52347?
How do I fix CVE-2025-52347?
No fix has been published for CVE-2025-52347 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-52347 being exploited?
There is no known exploitation of CVE-2025-52347 in the wild and no public exploit code.
Sources
Also known as GHSA-r85q-xw89-6h26.