CVE-2026-85790

🗓️ 13 Oct 2026 19:00:04Reported by microsoftType

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

Reporter	Title	Published	Views	Family All 43
AlpineLinux	CVE-2026-85790	13 Oct 202619:00	–	alpinelinux
Circl	CVE-2026-85790	13 Oct 202619:07	–	circl
Cvelist	CVE-2026-85790 Microsoft QUIC Information Disclosure Vulnerability	13 Oct 202619:00	–	cvelist
EUVD	EUVD-2026-99502	13 Oct 202619:00	–	euvd
Fedora	[SECURITY] Fedora 43 Update: dotnet8.0-8.0.132-1.fc43	25 Oct 202601:09	–	fedora
Fedora	[SECURITY] Fedora 43 Update: dotnet9.0-9.0.122-1.fc43	24 Oct 202616:18	–	fedora
Fedora	[SECURITY] Fedora 44 Update: dotnet8.0-8.0.132-1.fc44	25 Oct 202600:51	–	fedora
Fedora	[SECURITY] Fedora 44 Update: dotnet9.0-9.0.122-1.fc44	24 Oct 202616:39	–	fedora
Tenable Nessus	Fedora 43 : dotnet9.0 (2026-22271e9271)	24 Oct 202600:00	–	nessus
Tenable Nessus	Fedora 44 : dotnet8.0 (2026-6cdafc7e45)	25 Oct 202600:00	–	nessus

NVD

Vulners

CNA

Node

microsoft windows_11_23h2Range<10.0.22631.7652arm64

microsoft windows_11_23h2Range<10.0.22631.7652x64

microsoft windows_11_24h2Range<10.0.26100.9711arm64

microsoft windows_11_24h2Range<10.0.26100.9711x64

microsoft windows_11_25h2Range<10.0.26200.9711arm64

microsoft windows_11_25h2Range<10.0.26200.9711x64

microsoft windows_11_26h1Range<10.0.28000.3231arm64

microsoft windows_11_26h1Range<10.0.28000.3231x64

microsoft windows_11_26h2Range<10.0.26300.9711arm64

microsoft windows_11_26h2Range<10.0.26300.9711x64

microsoft windows_server_2022Range<10.0.20348.5761x64

microsoft windows_server_2025Range<10.0.26100.33650x64

Node

AND

microsoft native.quic.msquic.schannelRange<2.6.2

microsoft .netMatch8.0.0

microsoft .netMatch9.0.0

microsoft .netMatch10.0.0

microsoft .netMatch11.0.0

Node

microsoft visual_studio_2022Range17.14.0–17.14.42

microsoft visual_studio_2026Range18.10.0–18.10.4

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2022 version 17.14",
    "versions": [
      {
        "version": "17.14.0",
        "lessThan": "17.14.42",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Visual Studio 2026 version 18.10",
    "versions": [
      {
        "version": "18.10.0",
        "lessThan": "18.10.4",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft.Native.Quic.MsQuic.Schannel",
    "platforms": [
      ".NET 10.0 runtime installed on Windows",
      ".NET 11.0 runtime installed on Windows",
      ".NET 8.0 runtime installed on Windows",
      ".NET 9.0 runtime installed on Windows"
    ],
    "versions": [
      {
        "version": "1.9.0",
        "lessThan": "2.6.2",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 23H2",
    "platforms": [
      "ARM64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.7652",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 23H2",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.7652",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 24H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.9711",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 25H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26200.0",
        "lessThan": "10.0.26200.9711",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 26H1",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.28000.0",
        "lessThan": "10.0.28000.3231",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 26H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26300.0",
        "lessThan": "10.0.26300.9711",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.20348.0",
        "lessThan": "10.0.20348.5761",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33650",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33650",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

Source	Link
msrc	www.msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85790

31 Oct 2026 18:04Current

6.2Medium risk

Vulners AI Score6.2

CVSS 3.15.9

EPSS0.00804

SSVC

CWE-416