High severity7.3NVD Advisory· Published Feb 20, 2026· Updated Apr 15, 2026
CVE-2026-2040
CVE-2026-2040
Description
PDF-XChange Editor TrackerUpdate Uncontrolled Search Path Element Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of PDF-XChange Editor. 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 TrackerUpdate process. The product loads a library from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of a target user. Was ZDI-CAN-27788.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1News mentions
1- ZDI-26-122: PDF-XChange Editor TrackerUpdate Uncontrolled Search Path Element Local Privilege Escalation VulnerabilityZero Day Initiative · Feb 19, 2026