Untrusted Search Path Affecting sumatrapdf package, versions [,3.6)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-SUMATRAPDF-15010784
- published16 Jan 2026
- disclosed14 Jan 2026
- creditMario Romeo
Introduced: 14 Jan 2026
CVE-2026-23512 (opens in a new tab)How to fix?
Upgrade sumatrapdf to version 3.6 or higher.
Overview
Affected versions of this package are vulnerable to Untrusted Search Path when notepad.exe is executed while using Advanced Options setting without specifying an absolute path. An attacker can execute arbitrary code by placing a malicious notepad.exe in the application's installation directory.
Note:
This is exploitable only if Notepad is the default text editor and a malicious notepad.exe is placed in the SumatraPDF directory.