cvedb.io
CVE-2026-34462
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2026-05-05T20:16:37.610 · Last modified 2026-06-17T10:39:05.580

Summary

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, several ProcessServer handlers (KillAllHandler, SuspendAllHandler, and RunSandboxedHandler) copy a WCHAR boxname[34] field from request structures into WCHAR[40] stack buffers using wcscpy without verifying null termination. Because the service pipe accepts variable-length packets larger than the request structure, an attacker can fill the boxname field with non-zero data and append additional controlled wide characters after the structure. wcscpy then reads past the fixed field and overflows the destination stack buffer. The service pipe is created with a NULL DACL, allowing any local process to connect, and the unsafe copy occurs before authorization checks. This can lead to a c

Affected products

sandboxie-plus — sandboxie

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.