Photoshop Desktop versions 25.12, 26.1 and earlier are affected by an Uncontrolled Search Path Element vulnerability that could lead to arbitrary code execution. An attacker could manipulate the search path environment variable to point to a malicious library, resulting in the execution of arbitrary code when the application loads. Exploitation of this issue requires user interaction in that a victim must run the vulnerable application.
This vulnerability allows local attackers to escalate privileges on affected installations of Adobe Photoshop. 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 handling of the file upx.js. The product loads a JavaScript file from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of a target user.
