{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-96230", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-09-22T19:05:22.813Z", "datePublished": "2026-10-13T19:01:16.381Z", "dateUpdated": "2026-10-16T23:24:51.085Z" }, "containers": { "cna": { "title": "ASP.NET Core Remote Code Execution Vulnerability", "datePublic": "2026-10-13T14:00:00.000Z", "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft.aspnetcore.components.webassembly.server:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.13" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*", "versionStartIncluding": "18.10.0", "versionEndExcluding": "18.10.4" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.14.0", "versionEndExcluding": "17.14.42" } ] } ] } ], "affected": [ { "vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.14", "versions": [ { "version": "17.14.0", "lessThan": "17.14.42", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft Visual Studio 2026 version 18.10", "versions": [ { "version": "18.10.0", "lessThan": "18.10.4", "versionType": "custom", "status": "affected" } ] }, { "vendor": "Microsoft", "product": "Microsoft.AspNetCore.Components.WebAssembly.Server", "platforms": [ ".NET 10.0 installed on Linux", ".NET 10.0 installed on Mac OS", ".NET 10.0 installed on Windows", ".NET 11.0 installed on Linux", ".NET 11.0 installed on Mac OS", ".NET 11.0 installed on Windows", ".NET 8.0 installed on Linux", ".NET 8.0 installed on Mac OS", ".NET 8.0 installed on Windows", ".NET 9.0 installed on Linux", ".NET 9.0 installed on Mac OS", ".NET 9.0 installed on Windows" ], "versions": [ { "version": "10.0.0", "lessThan": "10.0.13", "versionType": "custom", "status": "affected" } ] } ], "descriptions": [ { "value": "Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code over a network.", "lang": "en-US" } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en-US", "type": "CWE", "cweId": "CWE-79" } ] } ], "providerMetadata": { "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-16T23:24:51.085Z" }, "references": [ { "name": "ASP.NET Core Remote Code Execution Vulnerability", "tags": [ "vendor-advisory", "patch" ], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96230" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "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" } } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2026-96230", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-10-13T19:46:52.350163Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T19:52:11.181Z" } } ] } }