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I. Basic Information for CVE-2026-25880
Vulnerability Information

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Vulnerability Title
Untrusted Search Path in SumatraPDF Reader (explorer.exe on Windows)
Source: NVD (National Vulnerability Database)
Vulnerability Description
SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, the PDF reader allows execution of a malicious binary (explorer.exe) located in the same directory as the opened PDF when the user clicks File → “Show in folder”. This behavior leads to arbitrary code execution on the victim’s system with the privileges of the current user, without any warning or user interaction beyond the menu click.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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PDF阅读器允许执行与打开的PDF位于同一目录中的恶意二进制文件,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-2026-25880
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III. Intelligence Information for CVE-2026-25880
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