Vulnerability in Pdf-Xchange Editor

CVE-2026-2040

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.

EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2040?
CVE-2026-2040 is a high-severity vulnerability in Pdf-Xchange Editor, classified under Uncontrolled Search Path Element. CVSS score: 7.3/10. Published 2026-02-20.
How severe is CVE-2026-2040?
High severity. CVSS v3 base score is 7.3 out of 10.