{"@odata.context":"https://api.msrc.microsoft.com/sug/v2.0/sugodata/v2.0/en-US/$metadata#vulnerability/$entity","id":"00000000-0000-0000-0000-000032fdbf80","releaseDate":"2026-10-30T07:00:00-07:00","cveNumber":"CVE-2026-118147","cveTitle":"Visual Studio Spoofing Vulnerability","releaseNumber":"2026-Oct","vulnType":"Security Vulnerability","latestRevisionDate":"2026-10-30T07:00:00-07:00","description":"<p>Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.</p>\n","cweList":["CWE-295: Improper Certificate Validation"],"cweDetailsListForSearch":["cwe: CWE-295: Improper Certificate Validation","cweUrl: https://cwe.mitre.org/data/definitions/295.html"],"unformattedDescription":"<p>Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.</p>","mitreText":"CVE-2026-118147","mitreUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118147","publiclyDisclosed":"No","exploited":"No","latestSoftwareReleaseId":2,"latestSoftwareRelease":"Exploitation Less Likely","olderSoftwareReleaseId":0,"denialOfService":"N/A","tag":"Visual Studio","issuingCnaId":0,"severityId":100000001,"severity":"Important","impactId":100000008,"impact":"Spoofing","langCode":"en-US","baseScore":"7.4","temporalScore":"6.4","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","isMariner":false,"customerActionRequired":true,"customerActionRequiredId":1,"cweDetailsList":[{"keys":["cwe","cweUrl"],"values":["CWE-295: Improper Certificate Validation","https://cwe.mitre.org/data/definitions/295.html"]}],"articles":[{"articleType":"FAQ","description":"<p><strong>According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?</strong></p>\n<p>The attacker must inject themselves into the logical network path between the target and the resource requested by the victim to read or modify network communications. This is called a machine-in-the-middle (MITM) attack.</p>\n","ordinal":10000},{"articleType":"FAQ","description":"<p><strong>According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H), and integrity (I:H), but could lead to no loss of availability (A:N). What does that mean for this vulnerability?</strong></p>\n<p>Exploiting this vulnerability allows an attacker to view highly sensitive resource information (C:H) and results in a total loss of protection for that data (I:H), but does not provide the capability to impact resource availability.</p>\n","ordinal":10000},{"title":"Visual Studio Spoofing Vulnerability","articleType":"100000000","description":"<p>Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.</p>\n","ordinal":10000},{"title":"Visual Studio Spoofing Vulnerability","articleType":"100000000","description":"<p>Improper certificate validation in Visual Studio allows an unauthorized attacker to perform spoofing over a network.</p>\n","ordinal":10000}],"revisions":[{"cveNumber":"CVE-2026-118147","version":1,"revisionDate":"2026-10-30T07:00:00-07:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Information published.</p>\n","unformattedDescription":"Information published.","notificationNeeded":false,"notificationSent":false,"sourceId":"d2215525-80d4-f111-a059-7ced8d6f0999"}]}