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CVE-2026-23512

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CVE-2026-23512

Published: Jan 14, 2026

Modified: Jan 14, 2026

PUBLISHED

CVSS v3.1

8.6

HIGH

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.

VendorProductVersions

sumatrapdfreader

sumatrapdf

affected
<= 3.5.2

Weaknesses (CWE)

CWE-426

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

References

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