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CVE-2025-4455— Patch My PC Home Updater System.IO uncontrolled search path

Quick assessment

Affected
Patch My PC Home Updater
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Patch My PC Home Updater是Patch My PC公司的一个轻量级第三方软件更新工具。 Patch My PC Home Updater 5.1.3.0及之前版本存在代码问题漏洞，该漏洞源于多个DLL文件搜索路径控制不当，可能导致本地攻击。

CVSS 7.0 · High EPSS 0.26% · P18

Possible ATT&CK Techniques 2 AI

T1112 · Modify Registry T1574.001 · DLL
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I. Basic Information for CVE-2025-4455

Vulnerability Information
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Vulnerability Title
Patch My PC Home Updater System.IO uncontrolled search path
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Patch My PC Home Updater up to 5.1.3.0. It has been rated as critical. This issue affects some unknown processing in the library advapi32.dll/BCrypt.dll/comctl32.dll/crypt32.dll/dwmapi.dll/gdi32.dll/gdiplus.dll/imm32.dll/iphlpapi.dll/kernel32.dll/mscms.dll/msctf.dll/ntdll.dll/ole32.dll/oleaut32.dll/PresentationNative_cor3.dll/secur32.dll/shcore.dll/shell32.dll/sspicli.dll/System.IO. The manipulation leads to uncontrolled search path. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Patch My PC Home Updater 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Patch My PC Home Updater是Patch My PC公司的一个轻量级第三方软件更新工具。 Patch My PC Home Updater 5.1.3.0及之前版本存在代码问题漏洞，该漏洞源于多个DLL文件搜索路径控制不当，可能导致本地攻击。
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

Vendor Product Affected Versions CPE Subscribe
Patch My PC Home Updater 5.1.0 -

II. Public POCs for CVE-2025-4455

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III. Intelligence Information for CVE-2025-4455

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IV. Related Vulnerabilities

Same weakness: CWE-427

V. Comments for CVE-2025-4455

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