CVE-2026-2040CWE-427

PDF-XChange Editor TrackerUpdate Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

High · published February 20, 2026

CVSS v3.0
7.3
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.3 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00298 · 21.3th percentile
Weakness
CWE-427 · Uncontrolled Search Path Element
Published
2026-02-20T22:21Z
EPSS history
Timeline
  • 20 FEB 22:21Z
    PDF-XChange Editor TrackerUpdate Uncontrolled Search Path Element Local Privilege Escalation Vulnerability
    cvelistv5