Vulnerability · Published Sep 21, 2026 · Assigned by VulDB
CVE-2026-94129BioStar VALKYRIE AURORA IOCTL BS_RVSIO64.sys sub_1105C write-what-where
High 8.8
In plain English
A high-severity memory corruption in VALKYRIE AURORA from BioStar. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
A vulnerability was detected in BioStar VALKYRIE AURORA 2.10.2411.0800. This vulnerability affects the function sub_1105C of the file BS_RVSIO64.sys of the component IOCTL Handler. The manipulation of the argument PhysicalAddress results in write-what-where condition. The attack needs to be approached locally. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| BioStar | VALKYRIE AURORA | 2.10.2411.0800 |
Weakness: CWE-123, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-408049 | BioStar VALKYRIE AURORA IOCTL BS_RVSIO64.sys sub_1105C write-what-where vdb-entry, technical-description
- VDB-408049 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-94129 | CVE Analysis and Report third-party-advisory
- Submit #893721 | BioStar VALKYRIE_AURORA_2.10.2411.0800 2.10.2411.0800 Arbitrary memory read and write third-party-advisory