CVE-2026-23512

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.

PUBLISHED Reserved 2026-01-13 | Published 2026-01-14 | Updated 2026-01-14 | Assigner GitHub_M

Problem types

CWE-426: Untrusted Search Path

Product status

References

github.com/...trapdf/security/advisories/GHSA-rqg5-gj63-x4mv

github.com/...ommit/2762e02a8cd7cb779c934a44257aac56ab7de673

cve.org (CVE-2026-23512)

nvd.nist.gov (CVE-2026-23512)

Download JSON