{"@odata.context":"https://api.msrc.microsoft.com/sug/v2.0/sugodata/v2.0/en-US/$metadata#vulnerability/$entity","id":"00000000-0000-0000-0000-00001485a230","releaseDate":"2026-11-10T08:00:00-08:00","cveNumber":"CVE-2026-105590","cveTitle":"Windows Active Directory Certificate Services Security Feature Bypass","releaseNumber":"2026-Nov","vulnType":"Security Vulnerability","latestRevisionDate":"2026-11-10T08:00:00-08:00","description":"<p>Improper certificate validation in Windows Active Directory Certificate Services allows an authorized attacker to bypass a security feature 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 Windows Active Directory Certificate Services allows an authorized attacker to bypass a security feature over a network.</p>","mitreText":"CVE-2026-105590","mitreUrl":"https://www.cve.org/CVERecord?id=CVE-2026-105590","publiclyDisclosed":"No","exploited":"No","latestSoftwareReleaseId":2,"latestSoftwareRelease":"Exploitation Less Likely","olderSoftwareReleaseId":0,"denialOfService":"N/A","tag":"Windows Active Directory Certificate Services","issuingCna":"Microsoft","issuingCnaId":100000001,"severityId":100000001,"severity":"Important","impactId":100000007,"impact":"Security Feature Bypass","langCode":"en-US","baseScore":"5.3","temporalScore":"4.6","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C","vectorStringSource":"Microsoft","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":[{"title":"Windows Active Directory Certificate Services Security Feature Bypass Vulnerability","articleType":"100000000","description":"<p>Improper certificate validation in Windows Active Directory Certificate Services allows an authorized attacker to bypass a security feature over a network.</p>\n","ordinal":10000}],"revisions":[{"cveNumber":"CVE-2026-105590","version":1,"revisionDate":"2026-11-10T08:00:00-08:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Information published.</p>\n","unformattedDescription":"Information published.","notificationNeeded":false,"notificationSent":false,"sourceId":"f75dce84-dbc0-f111-aaad-000d3a3237f3"}]}