What’s Vulnerable › Vulnerabilities

CVE-2021-44852

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-01 · updated 2026-06-17

Description

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.

Affected products

• BioStar Racing Gt Evo: 2.1.1905.1700

References

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

Get alerted when CVE-2021-44852 or the next vulnerability affects your stack