CVE-2026-32603
Denial of Service in Sandboxie Kernel Driver
Publication date: 2026-05-05
Last updated on: 2026-05-06
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| sandboxie | sandboxie | to 1.17.3 (exc) |
| sandboxie | sandboxie | 1.17.3 |
| sandboxie-plus | sandboxie | to 1.17.3 (exc) |
| sandboxie-plus | sandboxie | 1.17.3 |
| sandboxie-plus | sandboxie | to 5.72.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify any direct impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability manifests as an immediate kernel crash (Blue Screen of Death) with the error "ATTEMPTED_EXECUTE_OF_NOEXECUTE_MEMORY" when a malformed IOCTL is sent to the Sandboxie kernel driver.
Detection involves monitoring for unexpected BSODs related to Sandboxie, especially those triggered by sandboxed processes.
Since the issue is triggered by a malformed IOCTL to the \Device\SandboxieDriverApi driver, you can check for unusual IOCTL calls or kernel crashes in system logs.
No specific commands are provided in the available resources to detect this vulnerability directly.
Can you explain this vulnerability to me?
CVE-2026-32603 is a local denial-of-service vulnerability in the Sandboxie kernel driver affecting versions 1.17.2 and earlier. An unprivileged process running inside a Standard Sandbox can send a malformed IOCTL request to the SandboxieDriverApi driver, which triggers an immediate kernel crash resulting in a Blue Screen of Death (BSOD). This vulnerability affects the Standard Sandbox configuration regardless of whether administrator privileges are dropped, but it does not affect the Security Hardened Sandbox configuration.
How can this vulnerability impact me? :
This vulnerability can cause the entire host operating system to crash and become unresponsive, leading to a denial of service. Since it can be triggered by any sandboxed malware or unprivileged user without requiring administrator privileges, it poses a risk of unexpected system downtime and potential data loss.
What immediate steps should I take to mitigate this vulnerability?
The primary mitigation is to update Sandboxie to version 1.17.3 or later, where this vulnerability has been fixed.
If updating is not immediately possible, users can switch to the Security Hardened Sandbox configuration, which is not affected by this vulnerability.
Avoid running untrusted or unprivileged processes inside the Standard Sandbox configuration until the update or workaround is applied.