CVE-2026-23512 — Untrusted Search Path in Sumatrapdf
Severity
7.8HIGHNVD
CNA8.6
EPSS
0.0%
top 94.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 14
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9