---
title: "Microsoft.Native.Quic.MsQuic.OpenSSL — CVE-2026-105794"
description: "A security flaw affects the NuGet package Microsoft.Native.Quic.MsQuic.OpenSSL. Affected versions: < 2.4.20. Fixed from version 2.4.20."
canonical: https://inyourgeek.com/en/failles-de-securite/2026-10-06-cve-2026-105794
type: faille-de-securite
author: "Sébastien Soulier"
publisher: "InYourGeek"
language: en
datePublished: 2026-10-06
dateModified: 2026-10-06
---
# Microsoft.Native.Quic.MsQuic.OpenSSL — CVE-2026-105794

A security flaw affects the NuGet package Microsoft.Native.Quic.MsQuic.OpenSSL. Affected versions: < 2.4.20. Fixed from version 2.4.20.

## What to do

Update Microsoft.Native.Quic.MsQuic.OpenSSL to 2.4.20 or later.

| Fact | Value |
| --- | --- |
| Package | Microsoft.Native.Quic.MsQuic.OpenSSL |
| Ecosystem | NuGet (.NET) |
| Class | Other |
| Affected versions | < 2.4.20 |
| Fixed version | 2.4.20 |
| CVE | CVE-2026-105794 |
| GHSA | GHSA-w5f4-fx9m-m4q7 |
| Published on | October 6, 2026 |
| Severity | Critical |

## Sources

- [GitHub Security Advisory — GHSA-w5f4-fx9m-m4q7](https://github.com/advisories/GHSA-w5f4-fx9m-m4q7) — GitHub Security Advisories
- [NVD — CVE-2026-105794](https://nvd.nist.gov/vuln/detail/CVE-2026-105794) — NVD

---

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