CVE-2026-35553 Memory corruption in DRFEC.SYS
Attackers can execute arbitrary code via stack-based buffer overflow in Dynabook Bluetooth ACPI drivers by modifying registry values.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-35553?
CVE-2026-35553 is a high-severity memory corruption vulnerability in Dynabook Inc. DRFEC.SYS, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-121
Which versions are affected by CVE-2026-35553?
How do I fix CVE-2026-35553?
No fix has been published for CVE-2026-35553 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-35553 being exploited?
There is no known exploitation of CVE-2026-35553 in the wild and no public exploit code.
Sources
Also known as GHSA-gp9q-xqfw-39jw.