{"affected":[{"product":"TanOS","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"1.8.5.0326","status":"affected","version":"1.8.5","versionType":"custom"},{"lessThan":"1.8.6.0193","status":"affected","version":"1.8.6","versionType":"custom"},{"lessThan":"1.9.0.0089","status":"affected","version":"1.9.0","versionType":"custom"}]},{"product":"Asset","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"1.33.334","status":"affected","version":"1.33","versionType":"custom"},{"lessThan":"1.36.182","status":"affected","version":"1.36","versionType":"custom"},{"lessThan":"1.39.164","status":"affected","version":"1.39","versionType":"custom"}]},{"product":"Comply","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"2.32.275","status":"affected","version":"2.32","versionType":"custom"},{"lessThan":"2.35.337","status":"affected","version":"2.35","versionType":"custom"},{"lessThan":"2.37.347","status":"affected","version":"2.37","versionType":"custom"}]},{"product":"Connect","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"5.29.272","status":"affected","version":"5.29","versionType":"custom"},{"lessThan":"5.37.177","status":"affected","version":"5.37","versionType":"custom"},{"lessThan":"5.47.135","status":"affected","version":"5.47","versionType":"custom"}]},{"product":"Integrity Monitor","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"3.6.608","status":"affected","version":"3.6","versionType":"custom"},{"lessThan":"3.7.383","status":"affected","version":"3.7","versionType":"custom"},{"lessThan":"3.8.362","status":"affected","version":"3.8","versionType":"custom"}]},{"product":"Health Check","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"1.13.653","status":"affected","version":"1.13","versionType":"custom"}]},{"product":"Endpoint Configuration Toolset Solution","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"1.51.61","status":"affected","version":"1.51","versionType":"custom"},{"lessThan":"1.59.51","status":"affected","version":"1.59","versionType":"custom"},{"lessThan":"1.71.26","status":"affected","version":"1.71","versionType":"custom"}]},{"product":"Patch","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"3.24.328","status":"affected","version":"3.24","versionType":"custom"},{"lessThan":"3.28.346","status":"affected","version":"3.28","versionType":"custom"},{"lessThan":"3.32.383","status":"affected","version":"3.32","versionType":"custom"}]},{"product":"Performance","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"1.25.196","status":"affected","version":"1.25","versionType":"custom"}]},{"product":"Reputation","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"6.6.150","status":"affected","version":"6.6","versionType":"custom"},{"lessThan":"6.7.143","status":"affected","version":"6.7","versionType":"custom"},{"lessThan":"6.8.167","status":"affected","version":"6.8","versionType":"custom"}]},{"product":"Reveal","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"2.4.109","status":"affected","version":"2.4","versionType":"custom"},{"lessThan":"2.5.166","status":"affected","version":"2.5","versionType":"custom"}]},{"product":"Threat Response","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"4.9.480","status":"affected","version":"4.9","versionType":"custom"},{"lessThan":"4.12.353","status":"affected","version":"4.12","versionType":"custom"},{"lessThan":"4.17.333","status":"affected","version":"4.17","versionType":"custom"}]},{"product":"Provision Host","source":"CNA: Tanium","vendor":"Tanium","versions":[{"lessThan":"10.4.100","status":"affected","version":"10.4.100","versionType":"semver"},{"lessThan":"10.8.115","status":"affected","version":"10.8.115","versionType":"semver"},{"lessThan":"10.9.113","status":"affected","version":"10.9.113","versionType":"semver"},{"lessThan":"10.10.189","status":"affected","version":"10.10.189","versionType":"semver"},{"lessThan":"10.11.127","status":"affected","version":"10.11.127","versionType":"semver"}]}],"cveId":"CVE-2026-121565","cwes":["CWE-295"],"description":"Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several intermediate CA certificates associated with compromised private keys.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.4,"severity":"high","source":"CNA: Tanium","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},{"score":7.4,"severity":"high","source":"NVD: 3938794e-25f5-4123-a1ba-5cbd7f104512","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}],"modifiedAt":1793791445622,"publishedAt":1793744242997,"references":[{"source":"CNA: Tanium","tags":[],"url":"https://security.tanium.com/TAN-2026-092"},{"source":"3938794e-25f5-4123-a1ba-5cbd7f104512","tags":[],"url":"https://security.tanium.com/TAN-2026-092"}],"remediation":[],"revision":"dab62da460b6663f115e9afd4a6d95da1613e9eb037335f69c93e0c69f00da42","sources":[{"modifiedAt":1793791445622,"name":"CNA: Tanium","retrievedAt":1793794110067,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121565"},{"modifiedAt":1793747855203,"name":"NVD","retrievedAt":1793751780038,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121565"}],"ssvc":null,"status":"published","title":"Tanium addressed an improper certificate validation vulnerability in multiple products","updatedAt":1793794110067}