Vulnerability Description
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 \Device\SandboxieDriverApi driver, triggering an immediate kernel crash (BSOD). The vulnerability affects the Standard Sandbox configuration both with and without dropped administrator privileges, but does not affect the Security Hardened Sandbox configuration. This issue has been fixed in version 1.17.3. Users who cannot update can use the Security Hardened Sandbox configuration as a workaround.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sandboxie-Plus | Sandboxie | < 1.17.3 |
Related Weaknesses (CWE)
References
- https://github.com/sandboxie-plus/Sandboxie/releases/tag/v1.17.3Release Notes
- https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-vvf8-cf4j-vExploitVendor Advisory
- https://github.com/sandboxie-plus/Sandboxie/security/advisories/GHSA-vvf8-cf4j-vExploitVendor Advisory
FAQ
What is CVE-2026-32603?
CVE-2026-32603 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...
How severe is CVE-2026-32603?
CVE-2026-32603 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-32603?
Check the references section above for vendor advisories and patch information. Affected products include: Sandboxie-Plus Sandboxie.