MSRXVendors / Ajax.NET Professional
Ajax.NET Professional vulnerabilities being exploited
1 Ajax.NET Professional flaw was confirmed exploited in the wild in the past 365 days, across 1 product: Ajax.NET Professional. If you run any of them, patch these first.
| Added | Exploited vulnerability | Fix by |
|---|---|---|
| 2026-08-26 | CVE-2021-23758 Ajax.NET Professional Ajax.NET Professional Deserialization of Untrusted Data Vulnerability Ajax.NET Professional (AjaxPro) contains a deserialization of untrusted data vulnerability that could allow for remote code execution via arbitrary .NET classes. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. | 2026-09-09 |
Source: CISA Known Exploited Vulnerabilities catalog 2026.10.29 (live). A listing means some versions are affected: check yours in the advisory. Guidance only.