# CVE-2026-56087: Dell ThinOS 10 protection mechanism failure in encrypted data access

Source: https://junglewise.ai/threats/cve-2026-56087-dell-thinos-10-protection-mechanism-failure-in-encrypted-data  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-15. Updated: 2026-07-15  
License: CC BY 4.0 with a link back

CVE-2026-56087 · Severity: medium · CVSS 6.1 · Published 2026-07-15

Dell ThinOS 10, an operating system used in thin client devices for secure cloud and virtual desktop access, contains a security flaw in its protection mechanisms. An attacker with physical access to the device could bypass security controls to access encrypted data stored on the system. This could lead to the exposure of sensitive information if a device is lost, stolen, or accessed by unauthorized personnel in person.

Technologies: [Dell ThinOS](https://junglewise.ai/threats/technologies/thinos). Vendors: [Dell](https://junglewise.ai/threats/vendors/dell).

## Quick answers

**Is CVE-2026-56087 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-56087 being exploited in the wild.

**How severe is CVE-2026-56087?** Medium severity, with a CVSS score of 6.1, published 15 July 2026.

**Which products and versions are affected?** Dell ThinOS prior to 2605_10.2100.

**Is there a fix for CVE-2026-56087?** A patch was published on 2026-07-03: Remediated version 2605_10.2100 released. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-56087 attacked?** It is attacked with physical access, in an operating system.

**Am I affected by CVE-2026-56087?** Check whether you run Dell ThinOS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

Dell ThinOS 10 is vulnerable to a Protection Mechanism Failure (CWE-693) in versions prior to 2605_10.2100. The vulnerability exists within the proprietary code of the operating system. An attacker with physical access to the hardware can exploit this failure to bypass encryption protections and gain unauthorized access to data. The attack requires no prior privileges or user interaction but is limited by the requirement for physical proximity to the device. Dell has released version 2605_10.2100 to remediate this issue.

## Affected products

- Dell ThinOS 10 prior to 2605_10.2100

## Timeline

- 2026-07-03: patched: Remediated version 2605_10.2100 released.
- 2026-07-15: advisory: Dell Security Advisory DSA-2026-300 published.
- 2026-07-15: disclosed

## References

- [https://www.dell.com/support/kbdoc/en-us/000489640/dsa-2026-300-security-update-for-dell-thinos-10-for-multiple-vulnerabilities](https://www.dell.com/support/kbdoc/en-us/000489640/dsa-2026-300-security-update-for-dell-thinos-10-for-multiple-vulnerabilities)

## Related threats

- [Dell ThinOS 10 OS command injection](https://junglewise.ai/threats/cve-2026-81468-dell-thinos-10-os-command-injection)
- [Dell ThinOS 10 OS command injection](https://junglewise.ai/threats/cve-2026-81467-dell-thinos-10-os-command-injection)
- [Dell ThinOS 10 code integrity check bypass](https://junglewise.ai/threats/cve-2026-81052-dell-thinos-10-code-integrity-check-bypass)
- [Dell ThinOS 10 security version number bypass](https://junglewise.ai/threats/cve-2026-81051-dell-thinos-10-security-version-number-bypass)
- [Dell ThinOS 10 missing integrity check in code execution](https://junglewise.ai/threats/cve-2026-81049-dell-thinos-10-missing-integrity-check-in-code-execution)