---
title: "Ajax.NET Professional: known exploited vulnerabilities"
url: https://erroneo.us/security/vendor/ajax-net-professional/
description: "Every Ajax.NET Professional vulnerability in CISA's Known Exploited Vulnerabilities catalog since October 2023 (1), newest first, with due dates and fixes."
type: vendor
section: "Security Digest"
date_modified: 2026-08-26
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Ajax.NET Professional: known exploited vulnerabilities

- 2026-08-26 [CVE-2021-23758](https://erroneo.us/security/cve/CVE-2021-23758/index.md) Ajax.NET Professional Ajax.NET Professional: Ajax.NET Professional Deserialization of Untrusted Data Vulnerability (due 2026-09-09; ransomware: Unknown)

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Source page: https://erroneo.us/security/vendor/ajax-net-professional/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt