CVE-2026-23512

Publication date

2026-01-14 20:31:08

Family

GitHub_M

State

PUBLISHED

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 applications installation directory, leading to arbitrary code execution.