CVE-2026-81052: Dell ThinOS 10 code integrity check bypass

CVE-2026-81052 · Severity: medium · CVSS 6.8 · Published 2026-09-10

Dell ThinOS 10 is an operating system used in thin client devices that provide remote desktop access to corporate networks. This vulnerability allows an unauthenticated attacker with physical access to the device to download and execute arbitrary code without verification, potentially taking full control of the thin client and compromising the systems it connects to.

Technologies: Dell Latitude 3330, Dell Latitude 3420, Dell Latitude 3440, Dell Latitude 3450, Dell Latitude 5440, Dell Latitude 5450, Dell Latitude 5520, Dell Latitude 5530, Dell Latitude 5540, Dell Latitude 5550, Dell Optiplex 3000 Tc, Dell Optiplex 5400 All-In-One, Dell Optiplex 7020, Dell Optiplex All-In-One 7410, Dell Optiplex All-In-One 7420, Dell Optiplex Micro Plus 7010, Dell Precision 3260 Compact, Dell Precision 3280, Dell Pro 14 Pc14250, Dell Pro 16 Pc16250, Dell Pro 16 Plus Pb16250, Dell Pro 24 All-In-One, Dell Pro 24 All-In-One \(65w\) Qc24250, Dell Pro 24 All-In-One Plus Qb24250, Dell Pro Max 14, Dell Pro Max 16 Plus, Dell Pro Max Microfcm2250, Dell Pro Micro Qcm1250, Dell Pro Micro-Thin Client Q9m1260, Dell Pro Rugged 13 Ra13250, Dell Pro Rugged 14 Rb14250, Dell Pro Slim Low Sff, Dell Pro Slim Plus Xe5 Oem Qbs1250, Dell Pro Tower Plus Xe5 Oem Qbt1250, Dell Pro Tower Qct1250, Dell ThinOS, Dell ThinOS 10, Dell Wyse 5070 Extended Thin Client, Dell Wyse 5070 Thin Client, Dell Wyse 5470 All-In-One Thin Client, Dell Wyse 5470 Mtc. Vendors: Dell.

Quick answers

Is CVE-2026-81052 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-81052 being exploited in the wild.
How severe is CVE-2026-81052?
Medium severity, with a CVSS score of 6.8, published 10 September 2026.
Which products and versions are affected?
Dell ThinOS 10 prior to 2605_10.2616.
Is there a fix for CVE-2026-81052?
A patch was published on 2026-09-10: Fixed in version 2605_10.2616 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-81052 attacked?
It is attacked with physical access, in device firmware.
Am I affected by CVE-2026-81052?
Check whether you run Dell Latitude 3330, Dell Latitude 3420, Dell Latitude 3440 or one of the others listed 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

The vulnerability is a Download of Code Without Integrity Check flaw (CWE-494) in Dell ThinOS 10 versions prior to 2605_10.2616. An unauthenticated attacker with physical access can exploit this to download and execute malicious code without proper cryptographic verification. The attack vector is physical, requiring direct access to the device, and results in arbitrary code execution with system privileges. Patches are available in version 2605_10.2616 and later.

Affected products

  • Dell ThinOS 10 prior to 2605_10.2616

Timeline

  • 2026-09-10: disclosed
  • 2026-09-10: patched: Fixed in version 2605_10.2616

References

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