CVE-2026-105794Published

MsQuic: Improper Certificate Validation in Microsoft.Native.Quic.MsQuic.OpenSSL

cve-program · CVE-2026-105794

Published

msquic

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "microsoft",
                    "product": "msquic",
                    "versions": [
                        {
                            "version": "< 2.4.20",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2.5.0, < 2.5.11",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2.6.0, < 2.6.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-93422

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Oct 6, 2026, 2:14:54 PM

dateUpdated: Oct 6, 2026, 5:40:05 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-105794

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Awaiting Analysis

Weakness classifications: CWE-295

Original publisher date fields

published: 2026-10-06T15:17:16.260

lastModified: 2026-10-06T18:16:47.073

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-w5f4-fx9m-m4q7

Published

Microsoft.Native.Quic.MsQuic.OpenSSL

NuGet

ECOSYSTEM · introduced 0 → fixed 2.4.20

1 explicitly affected versions

1.8.0

Microsoft.Native.Quic.MsQuic.OpenSSL

NuGet

ECOSYSTEM · introduced 2.5.0 → fixed 2.5.11

Microsoft.Native.Quic.MsQuic.OpenSSL

NuGet

ECOSYSTEM · introduced 2.6.0 → fixed 2.6.1

Original source record · Cite this exact observation · Complete original publisher JSON