Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.

Project Subscriptions

Vendors Products
Microsoft Subscribe
Microsoft.native.quic.msquic.schannel Subscribe
Microsoft Visual Studio 2026 Version 18.10 Subscribe
Visual Studio 2022 Subscribe
Windows 11 23h2 Subscribe
Windows 11 24h2 Subscribe
Windows 11 25h2 Subscribe
Windows 11 26h1 Subscribe
Windows 11 Version 26h2 For Arm64-based Systems Subscribe
Windows Server 2022 Subscribe
Windows Server 2025 Subscribe
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-2mxg-prvg-9jfg Microsoft Security Advisory CVE-2026-85790 - .NET Information Disclosure Vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Oct 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Title Microsoft QUIC Information Disclosure Vulnerability
First Time appeared Microsoft
Microsoft microsoft.native.quic.msquic.schannel
Microsoft microsoft Visual Studio 2026 Version 18.10
Microsoft visual Studio 2022
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows 11 Version 26h2 For Arm64-based Systems
Microsoft windows Server 2022
Microsoft windows Server 2025
Weaknesses CWE-416
CPEs cpe:2.3:a:microsoft:microsoft.native.quic.msquic.schannel:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:windows_11_version_26h2_for_arm64-based_systems:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft microsoft.native.quic.msquic.schannel
Microsoft microsoft Visual Studio 2026 Version 18.10
Microsoft visual Studio 2022
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows 11 26h1
Microsoft windows 11 Version 26h2 For Arm64-based Systems
Microsoft windows Server 2022
Microsoft windows Server 2025
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-13T22:17:11.880Z

Reserved: 2026-09-04T18:08:54.992Z

Link: CVE-2026-85790

cve-icon Vulnrichment

Updated: 2026-10-13T20:11:44.773Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:21:02.243

Modified: 2026-10-13T21:19:19.137

Link: CVE-2026-85790

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses