CVE-2026-94146BioStar BIOS Update Utility IOCTL BSMEM64_W10.sys sub_110BC write-what-where
Updated under an hour ago ()
Does this affect you?
It affects BioStar BIOS Update Utility. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
A vulnerability was found in BioStar BIOS Update Utility 1.9.7.3. This issue affects the function sub_110BC of the file BSMEM64_W10.sys of the component IOCTL Handler. The manipulation of the argument PhysicalAddress/Size results in write-what-where condition. Attacking locally is a requirement. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
- CVSS
- 8.8 HIGH (v3.1, CNA)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
- Weakness (CWE)
- CWE-123, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Sep 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
BioStar BIOS Update Utility biostar:bios_update_utility | 1.9.7.3 | CNA record |
References
- https://vuldb.com/vuln/408061vdb-entry, technical-description
- https://vuldb.com/vuln/408061/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-94146third-party-advisory
- https://vuldb.com/submit/894066third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.