CVE-2026-32603

Sandboxie CVE-2026-32603 affects Windows Sandboxie kernel driver (versions ≤ 1.17.2) where an unprivileged process in a Standard Sandbox can send a malformed IOCTL to the \Device\SandboxieDriverApi driver, causing an immediate kernel crash (BSOD). Impact is local, affecting availability with Sta...

CVE-2026-32603 Sandboxie kernel driver denial of service via malformed IOCTL from sandboxed process

Sandboxie is an open source sandbox-based isolation software for Windows. In versions 1.17.2 and earlier, a local denial of service vulnerability exists in the Sandboxie kernel driver. An unprivileged process running inside a Standard Sandbox can send a malformed IOCTL to the...