{"id":"CVE-2026-85363","revision":"ae4ca86c896f440da43108c1aa3f746b","records":[{"revision":"ae4ca86c896f440da43108c1aa3f746b","observedAt":"2026-10-23T23:48:20.643+00:00","statement":{"source":"cve-program","id":"CVE-2026-85363","aliases":[],"title":".NET Framework Elevation of Privilege Vulnerability","description":"Integer overflow or wraparound in .NET Framework allows an unauthorized attacker to elevate privileges over a network.","state":0,"publishedAt":"2026-10-13T19:01:15.976+00:00","modifiedAt":"2026-10-23T22:30:22.144+00:00","affected":[{"ecosystem":"Vendor product","name":".NET 10.0 runtime","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 10.0 runtime\",\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.0\",\n                            \"lessThan\": \"10.0.13\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":".NET 11.0 runtime","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 11.0 runtime\",\n                    \"versions\": [\n                        {\n                            \"version\": \"11.0.0\",\n                            \"lessThan\": \"11.0.0-rc.2\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":".NET 8.0 runtime","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 8.0 runtime\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0.0\",\n                            \"lessThan\": \"8.0.32\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":".NET 9.0 runtime","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 9.0 runtime\",\n                    \"versions\": [\n                        {\n                            \"version\": \"9.0.0\",\n                            \"lessThan\": \"9.0.21\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 3.5","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 3.5\",\n                    \"platforms\": [\n                        \"Windows 11 version 26H1\",\n                        \"Windows Server 2012\",\n                        \"Windows Server 2012 R2\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.5.0\",\n                            \"lessThan\": \"2.0.50727.9188 AND 3.0.30729.9171\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2\",\n                    \"platforms\": [\n                        \"Windows 10 version 1607\",\n                        \"Windows Server 2016\",\n                        \"Windows Server 2019\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.0.0.0\",\n                            \"lessThan\": \"2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 3.5 AND 4.7.2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 3.5 AND 4.7.2\",\n                    \"platforms\": [\n                        \"Windows 10 version 1809\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.7.0\",\n                            \"lessThan\": \"2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 3.5 AND 4.8","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 3.5 AND 4.8\",\n                    \"platforms\": [\n                        \"Windows 10 version 1809\",\n                        \"Windows 10 version 21H2\",\n                        \"Windows 10 version 22H2\",\n                        \"Windows Server 2019\",\n                        \"Windows Server 2022\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.0\",\n                            \"lessThan\": \"2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 3.5 AND 4.8.1","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 3.5 AND 4.8.1\",\n                    \"platforms\": [\n                        \"Windows 10 version 21H2\",\n                        \"Windows 10 version 22H2\",\n                        \"Windows 11 version 23H2\",\n                        \"Windows 11 version 24H2\",\n                        \"Windows 11 version 25H2\",\n                        \"Windows 11 version 26H2\",\n                        \"Windows Server 2022\",\n                        \"Windows Server 2025\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.1\",\n                            \"lessThan\": \"2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2\",\n                    \"platforms\": [\n                        \"Windows Server 2012\",\n                        \"Windows Server 2012 R2\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.7.0\",\n                            \"lessThan\": \"4.7.4150.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 4.8","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 4.8\",\n                    \"platforms\": [\n                        \"Windows 10 version 1607\",\n                        \"Windows Server 2012\",\n                        \"Windows Server 2012 R2\",\n                        \"Windows Server 2016\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.0\",\n                            \"lessThan\": \"4.8.4811.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft .NET Framework 4.8.1","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft .NET Framework 4.8.1\",\n                    \"platforms\": [\n                        \"Windows 11 version 26H1\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.0.0\",\n                            \"lessThan\": \"4.8.9363.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"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                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","score":8.8,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85363"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-85363","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-85363","identifiers":["CVE-2026-85363"]},"retained":false,"historicalAffected":[]}],"coverage":[]}