CVE-2026-122113 CVE-2026-122113
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-122113?
CVE-2026-122113 is a medium-severity vulnerability in Realtek RtUsbA64.sys, published on 6 Nov 2026.
Official description
A vulnerability in Realtek's RtUsbA64.sys USB audio driver allows a physically present attacker using a maliciously crafted USB device to trigger unbounded recursion in the driver's topology-parsing logic during device enumeration. Processing the crafted descriptor exhausts the kernel stack and causes a system crash (bugcheck), resulting in a denial of service. No authenticated user session is required.
Weakness: CWE-674
Which versions are affected by CVE-2026-122113?
How do I fix CVE-2026-122113?
No fix has been published for CVE-2026-122113 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-122113 being exploited?
There is no known exploitation of CVE-2026-122113 in the wild and no public exploit code.
Sources
Also known as GHSA-243x-4g43-9fcq.