CVE-2026-32179: MsQuic has a Remote Elevation of Privilege Vulnerability

Quick answers

Is CVE-2026-32179 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-32179 being exploited in the wild.

How severe is CVE-2026-32179?

Low severity, with a CVSS score of 3.1, published 16 April 2026.

Which products and versions are affected?

Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet) ECOSYSTEM:introduced=2.5.0-ci.532574,fixed=2.5.7; Microsoft.Native.Quic.MsQuic.Schannel (NuGet) ECOSYSTEM:introduced=2.5.0-ci.532574,fixed=2.5.7.

Is there a fix for CVE-2026-32179?

Yes. Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet): upgrade to 2.5.7 or later; Microsoft.Native.Quic.MsQuic.Schannel (NuGet): upgrade to 2.5.7 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2026-32179?

Check whether you run Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet) or Microsoft.Native.Quic.MsQuic.Schannel (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet): upgrade to 2.5.7 or later

  dotnet add package Microsoft.Native.Quic.MsQuic.OpenSSL --version 2.5.7

• Microsoft.Native.Quic.MsQuic.Schannel (NuGet): upgrade to 2.5.7 or later

  dotnet add package Microsoft.Native.Quic.MsQuic.Schannel --version 2.5.7

Affected products

• Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet) ECOSYSTEM:introduced=2.5.0-ci.532574,fixed=2.5.7
• Microsoft.Native.Quic.MsQuic.Schannel (NuGet) ECOSYSTEM:introduced=2.5.0-ci.532574,fixed=2.5.7

Identifiers

• CVE-2026-32179
• GHSA-gvvw-8j96-8g5r