CVE-2026-32179
Critical
Description
MsQuic has a Remote Elevation of Privilege Vulnerability
SeverityCritical
CVSS9.8
Exploit probability—
ProductMicrosoft.native.quic.msquic.openssl
PublishedApr 16, 2026
First seenApr 16, 2026
How to fix
Update
- Microsoft.Native.Quic.MsQuic.OpenSSL2.5.7, 2.4.18 or later
- Microsoft.Native.Quic.MsQuic.Schannel2.5.7, 2.4.18 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Microsoft.Native.Quic.MsQuic.OpenSSLNuGet | 2.5.0-ci.532574 ≤ v < 2.5.7, v < 2.4.18 | 2.5.7, 2.4.18 |
| Microsoft.Native.Quic.MsQuic.SchannelNuGet | 2.5.0-ci.532574 ≤ v < 2.5.7, v < 2.4.18 | 2.5.7, 2.4.18 |
Check your version
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