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

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-18 · updated 2026-10-26
Weakness: CWE-428

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.

Affected products

Yandex Punto Switcher: through 4.5.0.583

References

https://spektion.com/articles/cve-2026-25865-punto-switcher
https://www.vulncheck.com/advisories/punto-switcher-unquoted-search-path-via-winexec
https://yandex.ru/soft/punto

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