Local IOCTL Handler Vulnerability in BioStar VALKYRIE AURORA Software
CVE-2026-94129

9.3CRITICAL

Key Information:

Vendor

BiOStar

Status
Valkyrie Aurora
Vendor
CVE Published:
21 September 2026

What is CVE-2026-94129?

A vulnerability exists in the BioStar VALKYRIE AURORA software, specifically in the IOCTL handler within the BS_RVSIO64.sys file. This vulnerability allows for a write-what-where condition via manipulation of the PhysicalAddress argument. As a result, local attackers could exploit this vulnerability to execute arbitrary memory writes, compromising system integrity and security. Since the disclosure of this issue, the exploit has become publicly available, raising concerns about potential local attacks utilizing the vulnerability. The vendor did not respond to earlier inquiries regarding this matter.

Affected Version(s)

VALKYRIE AURORA 2.10.2411.0800

References

https://vuldb.com/vuln/408049
vdb-entrytechnical-description
https://vuldb.com/vuln/408049/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-94129
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bigcat (VulDB User)
VulDB CNA Team
.