Out-of-Bounds Write in Wacom HID Driver Enables Physical Privilege Escalation
CVE-2026-56936 Published on October 6, 2026
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.
Vulnerability Analysis
CVE-2026-56936 is exploitable with physical access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2026-56936 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2026-56936
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