{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-118147","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","state":"PUBLISHED","assignerShortName":"microsoft","dateReserved":"2026-10-27T17:35:36.727Z","datePublished":"2026-10-31T18:13:37.059Z","dateUpdated":"2026-10-31T18:13:37.059Z"},"containers":{"cna":{"title":"Visual Studio Spoofing Vulnerability","datePublic":"2026-10-30T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.11:*:*:*:*:*:*:*:*","versionStartIncluding":"18.11.0","versionEndExcluding":"18.11.3"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:microsoft_visual_studio_2017_version_15.9:*:*:*:*:*:*:*:*","versionStartIncluding":"15.9.0","versionEndExcluding":"15.9.84"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:microsoft_visual_studio_2019_version_16.11:*:*:*:*:*:*:*:*","versionStartIncluding":"16.11.0","versionEndExcluding":"16.11.62"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*","versionStartIncluding":"17.14.0","versionEndExcluding":"17.14.44"}]}]}],"affected":[{"vendor":"Microsoft","product":"Microsoft Visual Studio 2017 version 15.9","versions":[{"version":"15.9.0","lessThan":"15.9.84","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2019 version 16.11","versions":[{"version":"16.11.0","lessThan":"16.11.62","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2022 version 17.14","versions":[{"version":"17.14.0","lessThan":"17.14.44","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2026 version 18.11","versions":[{"version":"18.11.0","lessThan":"18.11.3","versionType":"custom","status":"affected"}]}],"descriptions":[{"value":"Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"CWE-295: Improper Certificate Validation","lang":"en-US","type":"CWE","cweId":"CWE-295"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2026-10-31T18:13:37.059Z"},"references":[{"name":"Visual Studio Spoofing Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118147"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.4,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C"}}]}}}