CVE-2026-124704
Deserialization of Untrusted Data in Progress Telerik UI for WPF
- High 7.8
Description
In Telerik UI for WPF, versions prior to 2026.4.1110, a deserialization of untrusted data vulnerability exists that allows an attacker to perform unauthorized actions in the context of the affected application.
Key facts
- Published
- 12 Nov 2026
- Last changed
- 14 Nov 2026
- Assigned by
- ProgressSoftware
- EPSS
- 0.238% likely to be exploited in the next 30 days, higher than 14.913% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: none; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.8CVSS 3.1, Highfrom the CNA (ProgressSoftware)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
Object Injection (CNA impact statement)
No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Progress Software | Telerik UI for WPF |
|
Timeline
- 12 Nov 2026 Published