Quick answers
- Is CVE-2026-40713 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40713 being exploited in the wild.
- How severe is CVE-2026-40713?
- Medium severity, with a CVSS score of 6.1, published 2 June 2026.
- Which products and versions are affected?
- Dell ThinOS prior to 2602_10.0765_T10.
- Is there a fix for CVE-2026-40713?
- A patch was published on 2026-05-15: Remediated firmware version released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-40713 attacked?
- It is attacked with physical access, in an operating system.
- Am I affected by CVE-2026-40713?
- 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 contains an improper access control vulnerability (CWE-284) in versions prior to 2602_10.0765. The vulnerability is exploitable by an unauthenticated attacker who has physical access to the affected thin client device. Successful exploitation could lead to unauthorized information exposure and potentially impact system integrity. Dell has released firmware version 2602_10.0765_T10 or later to remediate this issue across various Latitude, OptiPlex, and Wyse hardware platforms.
Affected products
- Dell ThinOS 10 prior to 2602_10.0765_T10
Timeline
- 2026-05-15: patched: Remediated firmware version released
- 2026-06-02: disclosed: Initial public advisory published