{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-70179", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-08-03T23:48:30.859Z", "datePublished": "2026-10-13T19:00:26.492Z", "dateUpdated": "2026-10-14T17:53:39.619Z" }, "containers": { "cna": { "title": "ASP.NET Core Elevation of Privilege Vulnerability", "datePublic": "2026-10-13T14:00:00.000Z", "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "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" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft.aspnetcore.authentication.negotiate:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.13" } ] } ] } ], "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.Authentication.Negotiate", "platforms": [ ".NET 10.0 installed on Linux", ".NET 10.0 installed on Mac OS", ".NET 10.0 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": "Authentication bypass by spoofing in ASP.NET Core allows an authorized attacker to elevate privileges over a network.", "lang": "en-US" } ], "problemTypes": [ { "descriptions": [ { "description": "CWE-290: Authentication Bypass by Spoofing", "lang": "en-US", "type": "CWE", "cweId": "CWE-290" } ] } ], "providerMetadata": { "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-14T17:53:39.619Z" }, "references": [ { "name": "ASP.NET Core Elevation of Privilege Vulnerability", "tags": [ "vendor-advisory", "patch" ], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70179" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C" } } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-08T00:00:00+00:00", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-70179" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T03:57:16.487Z" } } ] } }