{"id":"CVE-2026-35433","revision":"74f8aee8614942f9bd942f3654ad9bab","records":[{"revision":"74f8aee8614942f9bd942f3654ad9bab","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-35433","aliases":[],"title":".NET Elevation of Privilege Vulnerability","description":"Improper input validation in .NET allows an unauthorized attacker to elevate privileges locally.","state":0,"publishedAt":"2026-05-12T16:58:34.612+00:00","modifiedAt":"2026-08-10T15:14:00.578+00:00","affected":[{"ecosystem":"Vendor product","name":".NET 10.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 10.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0.0\",\n                            \"lessThan\": \"10.0.8\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":".NET 8.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 8.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0.0\",\n                            \"lessThan\": \"8.0.27\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":".NET 9.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 9.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"9.0.0\",\n                            \"lessThan\": \"9.0.16\",\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 Server 2012\",\n                        \"Windows Server 2012 R2\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.5.0\",\n                            \"lessThan\": \"4.8.9334.0 and 4.8.4802.0\",\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 for ARM64-based Systems\",\n                        \"Windows 10 Version 1809 for x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.7.0\",\n                            \"lessThan\": \"4.8.9334.0 and 4.8.4802.0\",\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 for ARM64-based Systems\",\n                        \"Windows 10 Version 1809 for x64-based Systems\",\n                        \"Windows 10 Version 21H2 for ARM64-based Systems\",\n                        \"Windows 10 Version 21H2 for x64-based Systems\",\n                        \"Windows 10 Version 22H2 for ARM64-based Systems\",\n                        \"Windows 10 Version 22H2 for x64-based Systems\",\n                        \"Windows Server 2022\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.0\",\n                            \"lessThan\": \"4.8.9334.0 and 4.8.4802.0\",\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 for ARM64-based Systems\",\n                        \"Windows 10 Version 21H2 for x64-based Systems\",\n                        \"Windows 11 Version 23H2 for ARM64-based Systems\",\n                        \"Windows 11 Version 23H2 for x64-based Systems\",\n                        \"Windows 11 Version 24H2 for ARM64-based Systems\",\n                        \"Windows 11 Version 24H2 for x64-based Systems\",\n                        \"Windows 11 Version 25H2 for ARM64-based Systems\",\n                        \"Windows 11 Version 25H2 for x64-based Systems\",\n                        \"Windows 11 Version 26H1 for ARM64-based Systems\",\n                        \"Windows 11 version 26H1 for x64-based Systems\",\n                        \"Windows Server 2022\",\n                        \"Windows Server 2025\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.1\",\n                            \"lessThan\": \"4.8.9334.0 and 4.8.4802.0\",\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 for x64-based Systems\",\n                        \"Windows Server 2012\",\n                        \"Windows Server 2012 R2\",\n                        \"Windows Server 2016\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.8.0\",\n                            \"lessThan\": \"4.8.9334.0 and 4.8.4802.0\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C","score":7.3,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35433"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-35433","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-35433","identifiers":["CVE-2026-35433"]},"retained":false,"historicalAffected":[]}],"coverage":[]}