CVE-2026-14297 Memory corruption in nRF Connect SDK
An authenticated BLE peer can trigger a buffer overflow in the CGMS RACP handler, potentially leading to code execution or denial of service depending on memory layout.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14297?
CVE-2026-14297 is a high-severity memory corruption vulnerability in Nordic Semiconductor ASA nRF Connect SDK, published on 7 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow in the Bluetooth Continuous Glucose Monitoring Service (CGMS) Record Access Control Point (RACP) write handler allows an authenticated BLE peer to overflow a 20-byte static buffer into adjacent BSS memory. The exploitable impact cannot be predetermined - it is entirely dependent on the linker-assigned BSS layout of the specific firmware build, which may vary.
Weakness: CWE-787
Which versions are affected by CVE-2026-14297?
How do I fix CVE-2026-14297?
No fix has been published for CVE-2026-14297 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-2026-14297 being exploited?
There is no known exploitation of CVE-2026-14297 in the wild and no public exploit code.
Sources
Also known as GHSA-9789-mpm3-jqwq.