Local Privilege Escalation Vulnerability in PDF-XChange Editor by TrackerUpdate
CVE-2026-2040

7.3HIGH

Key Information:

Vendor

PDF-xchange
Status
PDF-xchange Editor
Vendor
CVE Published:
20 February 2026

What is CVE-2026-2040?

The PDF-XChange Editor is affected by a local privilege escalation vulnerability due to an insecure path in its TrackerUpdate process. An attacker with access to execute low-privileged code can exploit this vulnerability to escalate their privileges. By loading a library from an unsecured location, the attacker can execute arbitrary code in the context of the target user. This type of vulnerability poses significant risks, as it can lead to unauthorized access and control over the system.

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Affected Version(s)

PDF-XChange Editor 10.7.2.400

References

https://www.zerodayinitiative.com/advisories/ZDI-26-122/
x_research-advisory

CVSS V3.0

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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