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

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-105794 · Microsoft / collected KEV context

EUVD-2026-93422

GHSA-w5f4-fx9m-m4q7

cve-program · CVE-2026-105794

• https://github.com/microsoft/msquic/security/advisories/GHSA-w5f4-fx9m-m4q7
• https://github.com/microsoft/msquic/pull/6274
• https://github.com/microsoft/msquic/pull/6275
• https://github.com/microsoft/msquic/pull/6276
• https://github.com/microsoft/msquic/pull/6277
• https://github.com/microsoft/msquic/commit/0591586443cc73a2d2cfb679527d91a144b4a412
• https://github.com/microsoft/msquic/commit/508e811370df93e2ad848f5c78347d4fe4f65a91
• https://github.com/microsoft/msquic/commit/90fd45498bf9b506b8556fb407088688474d6c81
• https://github.com/microsoft/msquic/commit/a01333cf7c2659cce0ff03ef3f21e1ff15bb5b83
• https://github.com/microsoft/msquic/releases/tag/v2.4.20
• https://github.com/microsoft/msquic/releases/tag/v2.5.11
• https://github.com/microsoft/msquic/releases/tag/v2.6.1

euvd · EUVD-2026-93422

• https://github.com/microsoft/msquic/security/advisories/GHSA-w5f4-fx9m-m4q7
• https://github.com/microsoft/msquic/pull/6274
• https://github.com/microsoft/msquic/pull/6275
• https://github.com/microsoft/msquic/pull/6276
• https://github.com/microsoft/msquic/pull/6277
• https://github.com/microsoft/msquic/commit/0591586443cc73a2d2cfb679527d91a144b4a412
• https://github.com/microsoft/msquic/commit/508e811370df93e2ad848f5c78347d4fe4f65a91
• https://github.com/microsoft/msquic/commit/90fd45498bf9b506b8556fb407088688474d6c81
• https://github.com/microsoft/msquic/commit/a01333cf7c2659cce0ff03ef3f21e1ff15bb5b83
• https://github.com/microsoft/msquic/releases/tag/v2.4.20
• https://github.com/microsoft/msquic/releases/tag/v2.5.11
• https://github.com/microsoft/msquic/releases/tag/v2.6.1

nvd · CVE-2026-105794

• https://github.com/microsoft/msquic/commit/0591586443cc73a2d2cfb679527d91a144b4a412
• https://github.com/microsoft/msquic/commit/508e811370df93e2ad848f5c78347d4fe4f65a91
• https://github.com/microsoft/msquic/commit/90fd45498bf9b506b8556fb407088688474d6c81
• https://github.com/microsoft/msquic/commit/a01333cf7c2659cce0ff03ef3f21e1ff15bb5b83
• https://github.com/microsoft/msquic/pull/6274
• https://github.com/microsoft/msquic/pull/6275
• https://github.com/microsoft/msquic/pull/6276
• https://github.com/microsoft/msquic/pull/6277
• https://github.com/microsoft/msquic/releases/tag/v2.4.20
• https://github.com/microsoft/msquic/releases/tag/v2.5.11
• https://github.com/microsoft/msquic/releases/tag/v2.6.1
• https://github.com/microsoft/msquic/security/advisories/GHSA-w5f4-fx9m-m4q7

osv · GHSA-w5f4-fx9m-m4q7

• https://github.com/microsoft/msquic/security/advisories/GHSA-w5f4-fx9m-m4q7
• https://nvd.nist.gov/vuln/detail/CVE-2026-105794
• https://github.com/microsoft/msquic/pull/6274
• https://github.com/microsoft/msquic/pull/6275
• https://github.com/microsoft/msquic/pull/6276
• https://github.com/microsoft/msquic/pull/6277
• https://github.com/microsoft/msquic/commit/0591586443cc73a2d2cfb679527d91a144b4a412
• https://github.com/microsoft/msquic/commit/508e811370df93e2ad848f5c78347d4fe4f65a91
• https://github.com/microsoft/msquic/commit/90fd45498bf9b506b8556fb407088688474d6c81
• https://github.com/microsoft/msquic/commit/a01333cf7c2659cce0ff03ef3f21e1ff15bb5b83
• https://github.com/microsoft/msquic
• https://github.com/microsoft/msquic/releases/tag/v2.4.20
• https://github.com/microsoft/msquic/releases/tag/v2.5.11
• https://github.com/microsoft/msquic/releases/tag/v2.6.1

No related operational record is retained in the current change model.