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CVE-2026-25865— Punto Switcher 4.5.0.583 Unquoted Search Path via WinExec

Quick assessment

Affected
Yandex Punto Switcher
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.

Yandex Punto Switcher是俄罗斯Yandex公司的一款键盘布局自动切换软件。 Yandex Punto Switcher 4.5.0.583及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未加引号的搜索路径元素，可能导致本地攻击者通过利用应用程序调用WinExec时未指定RunDll32.exe完全路径，在搜索顺序中放置恶意可执行文件来实现任意代码执行。

CVSS 7.8 · High EPSS 0.20% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
Yandex Punto Switcher ≤ 4.5.0.583 affected
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I. Basic Information for CVE-2026-25865

Vulnerability Information
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Vulnerability Title
Punto Switcher 4.5.0.583 Unquoted Search Path via WinExec
Source: CVE Program / CVE List V5
Vulnerability Description
Punto Switcher through 4.5.0.583 contains an unquoted search path element vulnerability that allows local attackers to execute arbitrary code by exploiting the application's call to WinExec without a fully qualified path for RunDll32.exe when invoking shell32.dll Control_RunDLL input.dll. Attackers can place a malicious executable earlier in the search order to achieve arbitrary code execution in the context of the affected user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Yandex Punto Switcher 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yandex Punto Switcher是俄罗斯Yandex公司的一款键盘布局自动切换软件。 Yandex Punto Switcher 4.5.0.583及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于未加引号的搜索路径元素，可能导致本地攻击者通过利用应用程序调用WinExec时未指定RunDll32.exe完全路径，在搜索顺序中放置恶意可执行文件来实现任意代码执行。
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

Vendor Product Affected Versions CPE Subscribe
Yandex Punto Switcher 0 ~ 4.5.0.583 -

II. Public POCs for CVE-2026-25865

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III. Intelligence Information for CVE-2026-25865

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Vendor Advisories for CVE-2026-25865 (1)

News Coverage for CVE-2026-25865 (1)

Other References for CVE-2026-25865 (1)

IV. Related Vulnerabilities

Same vendor: Yandex
Same weakness: CWE-428

V. Comments for CVE-2026-25865

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