Is CVE-2026-2040 actively exploited?

No active exploitation of CVE-2026-2040 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-2040 be exploited remotely?

No. CVE-2026-2040 requires local access to exploit.

What is the CVSS score of CVE-2026-2040?

CVE-2026-2040 has a CVSS score of 7.3 (HIGH) and an EPSS exploitation probability of 0.01%.

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HIGH

CVE-2026-2040

CWE-427Published: February 20, 2026· Updated: Feb 23, 2026

7.3

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-2040 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.3.