# Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet) vulnerabilities

3 known vulnerabilities (1 critical, 2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://www.nuget.org/packages/Microsoft.Native.Quic.MsQuic.OpenSSL

## Advisories (3)

### [CVE-2026-105794](https://cve.now/CVE-2026-105794): MsQuic: Improper Certificate Validation in Microsoft.Native.Quic.MsQuic.OpenSSL

- Severity: Critical 9.1
- Published: Oct 6, 2026
- Affected: fixed in 2.4.20; from 2.5.0, fixed in 2.5.11; from 2.6.0, fixed in 2.6.1.

### [CVE-2023-36435](https://cve.now/CVE-2023-36435): Microsoft QUIC Denial of Service Vulnerability

- Severity: High 7.5
- Published: Oct 10, 2023
- Affected: fixed in 2.2.3.

### [CVE-2023-38171](https://cve.now/CVE-2023-38171): Microsoft QUIC Denial of Service Vulnerability

- Severity: High 7.5
- Published: Oct 10, 2023
- Affected: fixed in 2.2.3.

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