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.
History

Mon, 09 Feb 2026 21:30:00 +0000

Type Values Removed Values Added
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.
Title Untrusted Search Path in SumatraPDF Reader (explorer.exe on Windows)
Weaknesses CWE-426
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-02-09T21:10:59.964Z

Reserved: 2026-02-06T21:08:39.129Z

Link: CVE-2026-25880

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-09T22:16:03.267

Modified: 2026-02-09T22:16:03.267

Link: CVE-2026-25880

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.