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I. Basic Information for CVE-2026-23512
Vulnerability Information

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Vulnerability Title
SumatraPDF has an Untrusted Search Path in sumatrapdf/src/AppTools.cpp
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可信的搜索路径
Source: NVD (National Vulnerability Database)
Vulnerability Title
sumatrapdf 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
sumatrapdf是sumatrapdfreader开源的一个PDF阅读器。 sumatrapdf 3.5.2及之前版本存在代码问题漏洞,该漏洞源于执行notepad.exe时未指定绝对路径,可能导致任意代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
sumatrapdfreadersumatrapdf <= 3.5.2 -
II. Public POCs for CVE-2026-23512
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III. Intelligence Information for CVE-2026-23512
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IV. Related Vulnerabilities
V. Comments for CVE-2026-23512
Anonymous User
2026-01-15 06:08:07

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