Advisory Details

February 19th, 2026

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

CVE ID	CVE-2026-2040
CVSS SCORE	7.3, AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	PDF-XChange
AFFECTED PRODUCTS	PDF-XChange Editor
VULNERABILITY DETAILS	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.
ADDITIONAL DETAILS	Fixed in version 10.7.3.401 https://www.pdf-xchange.com/product/pdf-xchange-editor/history#10.7.3.401
DISCLOSURE TIMELINE	2025-09-16 - Vulnerability reported to vendor 2026-02-19 - Coordinated public release of advisory 2026-02-19 - Advisory Updated
CREDIT	Kolja Grassmann (Neodyme AG)

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