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Description

PDF Explorer 1.5.66.2 contains a structured exception handler (SEH) overflow vulnerability that allows local attackers to execute arbitrary code by overwriting SEH records with malicious data. Attackers can craft a payload with buffer overflow, NSEH jump, and ROP gadget chains that execute when the Custom fields settings dialog processes the malicious input in the Label field.

PUBLISHED Reserved 2026-03-26 | Published 2026-03-26 | Updated 2026-03-26 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Out-of-bounds Write

Product status

1.5.66.2
affected

Credits

Achilles finder

References

www.exploit-db.com/exploits/46016 (ExploitDB-46016) exploit

www.rttsoftware.com/ (Official Product Homepage) product

www.rttsoftware.com/files/PDFExplorerTrialSetup.zip (Product Reference) product

www.vulncheck.com/...-exception-handler-local-code-execution (VulnCheck Advisory: PDF Explorer 1.5.66.2 Structured Exception Handler Local Code Execution) third-party-advisory

cve.org (CVE-2018-25217)

nvd.nist.gov (CVE-2018-25217)

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