VULNERABILITY INTELLIGENCE

CVE-2026-23512

CVSS score8.6 HIGH

EPSS probability0.23%

CISA KEVNot currently listed

Published2026-01-14

Last modified2026-06-17

Description

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, there is a Untrusted Search Path vulnerability when Advanced Options setting is trigger. The application executes notepad.exe without specifying an absolute path when using the Advanced Options setting. On Windows, this allows execution of a malicious notepad.exe placed in the application's installation directory, leading to arbitrary code execution.