Microsoft security update for CVE-2026-85790
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85790. This page also shows what EchelonGraph holds for CVE-2026-85790, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products20
- Microsoft Visual Studio 2022 version 17.14
- Microsoft Visual Studio 2026 version 18.10
- Microsoft.Native.Quic.MsQuic.Schannel on .NET 10.0 runtime installed on Windows
- Microsoft.Native.Quic.MsQuic.Schannel on .NET 11.0 runtime installed on Windows
- Microsoft.Native.Quic.MsQuic.Schannel on .NET 8.0 runtime installed on Windows
- Microsoft.Native.Quic.MsQuic.Schannel on .NET 9.0 runtime installed on Windows
- Windows 11 Version 23H2 for ARM64-based Systems
- Windows 11 Version 23H2 for x64-based Systems
- Windows 11 Version 24H2 for ARM64-based Systems
- Windows 11 Version 24H2 for x64-based Systems
- Windows 11 Version 25H2 for ARM64-based Systems
- Windows 11 Version 25H2 for x64-based Systems
- Windows 11 Version 26H1 for ARM64-based Systems
- Windows 11 Version 26H2 for ARM64-based Systems
- Windows 11 Version 26H2 for x64-based Systems
- Windows 11 version 26H1 for x64-based Systems
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2025
- Windows Server 2025 (Server Core installation)
✅ Updates Microsoft lists: 5 KB articles and 3 other updates
10 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| KB5127648 | Security Update | 10.0.26300.9711 |
| — | Security Update | 18.10.4 |
| — | Security Update | 17.14.42 |
| — | Security Update | 2.6.2 |
| KB5126655 | Security Update | 10.0.20348.5761 |
| KB5126646 | Security Update | 10.0.26100.33650 |
| KB5127648 | Security Update | 10.0.26200.9711 |
| KB5126653 | Security Update | 10.0.22631.7652 |
| KB5127648 | Security Update | 10.0.26100.9711 |
| KB5127646 | Security Update | 10.0.28000.3231 |
🧭 EchelonGraph on CVE-2026-85790
- EchelonGraph score
- 5.9 MEDIUM
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2026-85790, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).
🔗 References (17)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85790
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5127648
- referencehttps://support.microsoft.com/help/5127648
- patchhttps://learn.microsoft.com/en-us/visualstudio/releases/2026/release-history
- referencehttps://learn.microsoft.com/en-us/visualstudio/releases/2026/release-notes
- patchhttps://learn.microsoft.com/en-us/visualstudio/releases/2022/release-history
- referencehttps://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
- patchhttps://www.nuget.org/packages/Microsoft.Native.Quic.MsQuic.Schannel
- referencehttps://github.com/dotnet/announcements/issues/470
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5126655
- referencehttps://support.microsoft.com/help/5126655
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5126646
- referencehttps://support.microsoft.com/help/5126646
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5126653
- referencehttps://support.microsoft.com/help/5126653
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5127646
- referencehttps://support.microsoft.com/help/5127646