{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-121678","sourceIdentifier":"secure@microsoft.com","published":"2026-11-10T19:20:31.680","lastModified":"2026-11-11T02:17:11.383","vulnStatus":"Awaiting Analysis","cveTags":[],"descriptions":[{"lang":"en","value":"Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network."}],"affected":[{"source":"secure@microsoft.com","affectedData":[{"vendor":"Microsoft","product":"Windows App Client for Windows Desktop","versions":[{"version":"1.00","lessThan":"2.0.1489.0","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"secure@microsoft.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.6,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-11T01:29:57.403388Z","id":"CVE-2026-121678","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"secure@microsoft.com","type":"Secondary","description":[{"lang":"en","value":"CWE-125"}]}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-121678","source":"secure@microsoft.com"}]}}