{"id":"CVE-2026-85790","revision":"0d765fd732584e17b18315708abd3e21","records":[{"revision":"0d765fd732584e17b18315708abd3e21","observedAt":"2026-10-25T19:02:14.594+00:00","statement":{"source":"cve-program","id":"CVE-2026-85790","aliases":[],"title":"Microsoft QUIC Information Disclosure Vulnerability","description":"Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.","state":0,"publishedAt":"2026-10-13T19:00:04.81+00:00","modifiedAt":"2026-10-25T17:09:43.428+00:00","affected":[{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2022 version 17.14","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2022 version 17.14\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.14.0\",\n                            \"lessThan\": \"17.14.42\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2026 version 18.10","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2026 version 18.10\",\n                    \"versions\": [\n                        {\n                            \"version\": \"18.10.0\",\n                            \"lessThan\": \"18.10.4\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft.Native.Quic.MsQuic.Schannel","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft.Native.Quic.MsQuic.Schannel\",\n                    \"platforms\": [\n                        \".NET 10.0 runtime installed on Windows\",\n                        \".NET 11.0 runtime installed on Windows\",\n                        \".NET 8.0 runtime installed on Windows\",\n                        \".NET 9.0 runtime installed on Windows\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"1.9.0\",\n                            \"lessThan\": \"2.6.2\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows 11 version 23H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows 11 version 23H2\",\n                    \"platforms\": [\n                        \"ARM64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.22631.0\",\n                            \"lessThan\": \"10.0.22631.7652\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 23H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows 11 Version 23H2\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.22631.0\",\n                            \"lessThan\": \"10.0.22631.7652\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 24H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows 11 Version 24H2\",\n                    \"platforms\": [\n                        \"ARM64-based Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.26100.0\",\n                            \"lessThan\": \"10.0.26100.9711\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 25H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows 11 Version 25H2\",\n                    \"platforms\": [\n                        \"ARM64-based Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.26200.0\",\n                            \"lessThan\": \"10.0.26200.9711\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows 11 version 26H1","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows 11 version 26H1\",\n                    \"platforms\": [\n                        \"ARM64-based Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.28000.0\",\n                            \"lessThan\": \"10.0.28000.3231\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows 11 Version 26H2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows 11 Version 26H2\",\n                    \"platforms\": [\n                        \"ARM64-based Systems\",\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.26300.0\",\n                            \"lessThan\": \"10.0.26300.9711\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows Server 2022","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows Server 2022\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.20348.0\",\n                            \"lessThan\": \"10.0.20348.5761\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows Server 2025","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows Server 2025\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.26100.0\",\n                            \"lessThan\": \"10.0.26100.33650\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Windows Server 2025 (Server Core installation)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Windows Server 2025 (Server Core installation)\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.26100.0\",\n                            \"lessThan\": \"10.0.26100.33650\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","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","score":5.9,"severity":"MEDIUM"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85790"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85790","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-85790","identifiers":["CVE-2026-85790"]},"retained":false,"historicalAffected":[]}],"coverage":[]}