{"id":"CVE-2026-67643","revision":"89c4de856ce84cdcb64b6decc4e2748e","records":[{"revision":"89c4de856ce84cdcb64b6decc4e2748e","observedAt":"2026-10-31T18:04:47.227+00:00","statement":{"source":"cve-program","id":"CVE-2026-67643","aliases":[],"title":"Microsoft SQL Server Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in SQL Server allows an unauthorized attacker to execute code over a network.","state":0,"publishedAt":"2026-09-08T17:13:49.078+00:00","modifiedAt":"2026-10-31T16:12:35.444+00:00","affected":[{"ecosystem":"Vendor product","name":"Microsoft SQL Server 2022 (CU 26)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft SQL Server 2022 (CU 26)\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0.0.0\",\n                            \"lessThan\": \"16.0.4275.2\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft SQL Server 2022 (GDR)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft SQL Server 2022 (GDR)\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"16.0.0\",\n                            \"lessThan\": \"16.0.1200.5\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft SQL Server 2025 (CU8)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft SQL Server 2025 (CU8)\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"17.0.0.0\",\n                            \"lessThan\": \"17.0.4085.5\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft SQL Server 2025 for x64-based Systems (GDR)","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft SQL Server 2025 for x64-based Systems (GDR)\",\n                    \"platforms\": [\n                        \"x64-based Systems\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"17.0.1050.2\",\n                            \"lessThan\": \"17.0.1135.8\",\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:H/I:H/A:H/E:U/RL:O/RC:C","score":9.8,"severity":"CRITICAL"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67643"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-67643","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-67643","identifiers":["CVE-2026-67643"]},"retained":false,"historicalAffected":[]}],"coverage":[]}