{"id":"CVE-2026-69304","revision":"3c0bdaaf67624716b44ca640ff66919b","records":[{"revision":"3c0bdaaf67624716b44ca640ff66919b","observedAt":"2026-10-30T22:45:26.427+00:00","statement":{"source":"cve-program","id":"CVE-2026-69304","aliases":[],"title":"ASP.NET Core Denial of Service Vulnerability","description":"Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.","state":0,"publishedAt":"2026-09-08T17:17:47.686+00:00","modifiedAt":"2026-10-30T21:56:07.33+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\": \"10.0.12\",\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\": \"8.0.31\",\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\": \"9.0.20\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 10.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 10.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"10.0\",\n                            \"lessThan\": \"10.0.12\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 11.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 11.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"11.0\",\n                            \"lessThan\": \"11.0 RC1\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 8.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 8.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"8.0\",\n                            \"lessThan\": \"8.0.31\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"ASP.NET Core 9.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"ASP.NET Core 9.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"9.0\",\n                            \"lessThan\": \"9.0.20\",\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\": \"17.14.40\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2026 version 18.9","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2026 version 18.9\",\n                    \"versions\": [\n                        {\n                            \"version\": \"18.9.0\",\n                            \"lessThan\": \"18.9.3\",\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:N/I:N/A:H/E:U/RL:O/RC:C","score":5.9,"severity":"MEDIUM"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69304"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-69304","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-69304","identifiers":["CVE-2026-69304"]},"retained":false,"historicalAffected":[]}],"coverage":[]}