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Description

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, the PDF reader allows execution of a malicious binary (explorer.exe) located in the same directory as the opened PDF when the user clicks File → “Show in folder”. This behavior leads to arbitrary code execution on the victim’s system with the privileges of the current user, without any warning or user interaction beyond the menu click.

PUBLISHED Reserved 2026-02-06 | Published 2026-02-09 | Updated 2026-02-09 | Assigner GitHub_M




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

CWE-426: Untrusted Search Path

Product status

<= 3.5.2
affected

References

github.com/...trapdf/security/advisories/GHSA-5x4h-247q-px37

cve.org (CVE-2026-25880)

nvd.nist.gov (CVE-2026-25880)

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