Medium 6.7Published Apr 13, 2026

CVE-2026-35553Bluetooth ACPI Drivers provided by Dynabook Inc.

Updated under an hour ago (Oct 27, 2026, 8:30 PM ET)

Does this affect you?

It affects Dynabook Inc. TOSRFEC.SYS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Dynabook Inc. TOSRFEC.SYS

Exploited in the last 30 days

Bluetooth ACPI Drivers provided by Dynabook Inc. contain a stack-based buffer overflow vulnerability. An attacker may execute arbitrary code by modifying certain registry values.

CVSS: 6.7 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: jpcert
NVD analysis: Awaiting Analysis
Record last updated: Apr 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Dynabook Inc. TOSRFEC.SYS dynabook:tosrfec.sys (from the name)	all versions	CNA record
Dynabook Inc. DRFEC.SYS dynabook:drfec.sys (from the name)	v11.0.0.0 and earlier	CNA record

References

References

https://global.sharp/corporate/info/product-security/advisory-list/2026-001/
https://corporate.jp.sharp/info/product-security/advisory-list/2026-001/
https://jvn.jp/en/vu/JVNVU96334293/

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.