Advisory Details

This vulnerability allows local attackers to escalate privileges on affected installations of Wacom Drivers for Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Tablet Service. By creating a symbolic link, an attacker can abuse the service to create a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

08/04/22 – ZDI reported the vulnerability to the vendor.

08/04/22 – The vendor acknowledged the report.

01/26/23 – ZDI asked for an update.

03/02/23 – ZDI asked for an update.

05/23/23 – The ZDI informed the vendor that the case will be published as a zero-day advisory on 05/26/23.

-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.

• 2022-08-04 - Vulnerability reported to vendor
• 2023-05-26 - Coordinated public release of advisory