CVE-2026-56936 Memory corruption in Android
An out-of-bounds write in the Wacom HID driver allows local attackers to escalate privileges on Android devices without user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-56936?
CVE-2026-56936 is a medium-severity memory corruption vulnerability in Google Android, published on 6 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In wacom_hid_set_device_mode of wacom_sys.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to physical escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Weakness: CWE-119
Which versions are affected by CVE-2026-56936?
How do I fix CVE-2026-56936?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-56936 being exploited?
There is no known exploitation of CVE-2026-56936 in the wild and no public exploit code.
Sources
Also known as A-497973001, GHSA-4hh3-8fqh-rqcv, PUB-A-497973001.