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CVE-2026-23512

nvd nist
Published: Jan 14, 2026Modified: Feb 3, 2026

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7.8
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

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.

Affected (1)

Sumatrapdfreader
1 product
Sumatrapdf
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Sumatrapdf
Up to 3.5.2
Running on/withPlatform Versions
Microsoft
Windows
All versions

Related CWEs

CWE-426
Untrusted Search Path
The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.

References (2)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
ExploitVendor Advisory

Timeline

No history available yet.