CVE-2021-44852

7.8 highEPSS 0.8%

High (7.8) in biostar racing gt evo. EPSS 0.8% chance of exploitation in the next 30 days.

An issue was discovered in BS_RCIO64.sys in Biostar RACING GT Evo 2.1.1905.1700. A low-integrity process can open the driver's device object and issue IOCTLs to read or write to arbitrary physical memory locations (or call an arbitrary address), leading to execution of arbitrary code. This is associated with 0x226040, 0x226044, and 0x226000.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
Published: 2022-01-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

biostar:racing_gt_evo

References

https://nephosec.com/biostar-exploit/
https://nephosec.com/biostar-exploit/

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