{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-70190","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","state":"PUBLISHED","assignerShortName":"microsoft","dateReserved":"2026-08-03T23:48:30.860Z","datePublished":"2026-10-13T19:00:26.726Z","dateUpdated":"2026-10-31T18:06:19.365Z"},"containers":{"cna":{"title":".NET 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:.net:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndExcluding":"9.0.319, 9.0.122"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.0","versionEndExcluding":"10.0.113"},{"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:.net:*:*:*:*:*:*:*:*","versionStartIncluding":"11.0.0","versionEndExcluding":"11.0.100-rc.2"}]}]}],"affected":[{"vendor":"Microsoft","product":".NET 10.0 runtime","versions":[{"version":"10.0.0","lessThan":"10.0.113","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 11.0 runtime","versions":[{"version":"11.0.0","lessThan":"11.0.100-rc.2","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":".NET 9.0 runtime","versions":[{"version":"9.0.0","lessThan":"9.0.319, 9.0.122","versionType":"custom","status":"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"}]}],"descriptions":[{"value":"Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"CWE-59: Improper Link Resolution Before File Access ('Link Following')","lang":"en-US","type":"CWE","cweId":"CWE-59"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2026-10-31T18:06:19.365Z"},"references":[{"name":".NET Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70190"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/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-2026-70190"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-14T03:56:37.709Z"}}]}}