Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-2040

Severity CVSS v4.0:
Pending analysis
Type:
CWE-427 Uncontrolled Search Path Element
Publication date:
20/02/2026
Last modified:
20/02/2026

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.<br /> <br /> 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.

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.30 HIGH
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.30
Severity 3.x
HIGH

References to Advisories, Solutions, and Tools