CVE-2026-34461

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

CVE-2026-34461 Sandboxie-Plus SbieIniServer RunSbieCtrl stack buffer overflow allows local privilege escalation

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

CVE-2026-34461

Sandboxie-Plus

PT-2026-37227

Name of the Vulnerable Software and Affected Versions Sandboxie-Plus versions prior to 1.17.3 Description The SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGID SBIE INI RUN SBIE CTRL message is processed before standard sandbox and impersonation checks. For callers not...

CVE-2026-34461: Stack-based Buffer Overflow

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, the SbieIniServer RunSbieCtrl handler contains a stack buffer overflow. The MSGIDSBIEINIRUNSBIECTRL message is handled before normal sandbox and impersonation checks, and for non-sandbox...

CVE-2026-34527: Use of Weak Hash

Sandboxie-Plus is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, SbieIniServer::HashPassword converts a SHA-1 digest to hexadecimal incorrectly. The high nibble of each byte is shifted right by 8 instead of 4, which always produces zero for an 8-bit...

Sandboxie-Plus security vulnerabilities

Sandboxie-Plus is a sandbox isolation software developed by Sandboxie-Plus Inc. Versions of Sandboxie-Plus 1.17.2 and earlier contained security vulnerabilities. These vulnerabilities were caused by a stack buffer overflow in the RunSbieCtrl processor of the SbieIniServer module, which could lead...