Buffer overflow in Biostar Valkyrie Aurora
CVE-2026-94129
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Biostar Valkyrie Aurora — versions 2.10.2411.0800
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/cve/CVE-2026-94129 (third-party-advisory)
- vuldb.com/submit/893721 (third-party-advisory)
- vuldb.com/vuln/408049 (technical-description, vdb-entry)
- vuldb.com/vuln/408049/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-94129?
- CVE-2026-94129 is a high-severity vulnerability in Biostar Valkyrie Aurora, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-09-21.
- How severe is CVE-2026-94129?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2026-94129 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.