{"id":"CVE-2026-32203","revision":"a0f098c1f88643dfbebe59780f6e3ea8","records":[{"revision":"a0f098c1f88643dfbebe59780f6e3ea8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-32203","aliases":[],"title":".NET and Visual Studio Denial of Service Vulnerability","description":"Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.","state":0,"publishedAt":"2026-04-14T16:58:38.178+00:00","modifiedAt":"2026-10-15T15:53:38.631+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\": \"10.0.6\",\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\": \"8.0.26\",\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\": \"9.0.15\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2022 version 17.12","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2022 version 17.12\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.12.0\",\n                            \"lessThan\": \"17.12.19\",\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\": \"17.14.30\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2026 version 18.4","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2026 version 18.4\",\n                    \"versions\": [\n                        {\n                            \"version\": \"18.4.0\",\n                            \"lessThan\": \"18.4.4\",\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:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","score":7.5,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32203"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-32203","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-32203","identifiers":["CVE-2026-32203"]},"retained":false,"historicalAffected":[]}],"coverage":[]}