Vulnerability details

CVE-2026-94129

BioStar VALKYRIE AURORA

BioStar VALKYRIE AURORA IOCTL BS_RVSIO64.sys sub_1105C write-what-where

CVSS 4.0

9.3Critical

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.

CVSS scores

Score	Version	Source	Vector
9.3Critical	4.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P`
8.8High	3.1	CVEProject cvelistV5 (CNA) (VulDB)	`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`
8.8High	3.0	CVEProject cvelistV5 (CNA) (VulDB)	`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R`
6.8Medium	2.0	CVEProject cvelistV5 (CNA) (VulDB)	`AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR`

Affected products

Vendor	Product	Versions	Source
BioStar	VALKYRIE AURORA	2.10.2411.0800	CVEProject cvelistV5 (CNA)

References and advisories

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
https://vuldb.com/submit/893721 third-party-advisory

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Details

Published: 2026-09-21
Last updated: 2026-09-21
State: Published
Assigner (CNA): VulDB

Exploit prediction (EPSS)

0.18%

Probability of exploitation in 30 days

7.8%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-123
Write-what-where Condition
CWE-119
Memory Corruption