How to Fix CVE-2026-22766: Wyse Management Suite (Bundle Sibling)
By Sai Kiran Pandrala. Last verified: 2026-05-25.
CVE-2026-22766 is a sibling vulnerability in the same vendor advisory as CVE-2026-22765. Apply the same patched build and you close both. The technical detail below is what differs.
| Severity | 7.2 (High) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | Wyse Management Suite 0 to <5.5* |
| Fixed in | Same patched build as CVE-2026-22765 |
| Type (CWE) | CWE-434: Unrestricted Upload of File with Dangerous Type |
What's different about CVE-2026-22766?
Dell Wyse Management Suite, versions prior to WMS 5.5, contain an Unrestricted Upload of File with Dangerous Type vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Remote execution.
How to fix CVE-2026-22766
Apply the patched build per the primary write-up: How to Fix CVE-2026-22765. All commands, verification steps, and rollback notes for Wyse Management Suite are listed there.
Frequently asked questions
Does the CVE-2026-22765 patch close CVE-2026-22766?
Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.
Is CVE-2026-22766 listed in CISA KEV?
No public KEV listing at the time of this writing.
Where is the official advisory?
See https://www.dell.com/support/kbdoc/en-us/000429141/dsa-2026-103
References
- Official vendor advisory: https://www.dell.com/support/kbdoc/en-us/000429141/dsa-2026-103
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-22766
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary: How to Fix CVE-2026-22765
*Written by Sai Kiran Pandrala. Part of the Wyse Management Suite bundle. Full procedure at how-to-fix-cve-2026-22765.*