Uncontrolled search path in PDF-XChange Editor
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-427.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PDF-XChange | PDF-XChange Editor | 10.7.2.400 | — | No fix listed | CNA |
- PDF-XChange Editor VendorPDF-XChange Affected 10.7.2.400 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2040
- 2026-10-03 Alias added: GHSA-9j8v-79v3-wcmp
References
Other 1
More PDF-XChange vulnerabilities
- TI-2022-20621 Out-of-bounds write in PDF-XChange Editor CVSS 3.1HIGH 7.8
- TI-2025-00773 Out-of-bounds write in PDF-XChange Editor CVSS 3.1HIGH 8.8
- TI-2025-00766 Heap-based buffer overflow in PDF-XChange Editor CVSS 3.1HIGH 8.8
- TI-2025-00764 Out-of-bounds read in PDF-XChange Editor CVSS 3.1HIGH 8.8
- TI-2025-00762 Use after free in PDF-XChange Editor CVSS 3.1HIGH 8.8
- TI-2025-00774 Out-of-bounds read in PDF-XChange Editor CVSS 3.1HIGH 8.8
Sources
- CVE-2026-2040 · CVE Program
- CVE-2026-2040 · NVD
- FIRST EPSS
- GHSA-9j8v-79v3-wcmp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences