Stack-based Buffer Overflow Affecting sandboxie-plus/Sandboxie package, versions [,1.17.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published6 May 2026
- disclosed5 May 2026
- creditYanchon918s
Introduced: 5 May 2026
CVE-2026-34462 (opens in a new tab)How to fix?
Upgrade sandboxie-plus/Sandboxie to version 1.17.3 or higher.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow in the ProcessServer handlers when copying the boxname field from request structures into stack buffers without verifying null termination. An attacker can cause a stack buffer overflow by sending a specially crafted request with a non-terminated wide string, potentially leading to a crash of the service or execution of arbitrary code as SYSTEM. This is possible because the service pipe is created with a NULL DACL, allowing any local process to connect, and the unsafe copy occurs before authorization checks.