{"id":"CVE-2026-34346","aliases":[],"cve":{"records":[{"id":"CVE-2026-34346","source":"microsoft","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-03-26T21:02:16.446Z","published":"2026-07-14T17:04:19.569Z","modified":"2026-11-01T17:32:08.313Z"}],"publishers":[{"name":"microsoft","role":"CNA","organizationId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","modified":"2026-11-01T17:32:08.313Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-07-15T13:23:49.485Z"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34346","tags":["vendor-advisory","patch"],"source":"microsoft"}],"weaknesses":[{"id":"CWE-319","description":"CWE-319: Cleartext Transmission of Sensitive 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Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33158","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-34346"},{"vendor":"Microsoft","name":"Windows Server 2025 (Server Core installation)","platforms":["x64-based Systems"],"versions":[{"version":"10.0.26100.0","status":"affected","lessThan":"10.0.26100.33158","versionType":"custom"}],"cpes":[],"source":"microsoft","url":"https://www.cve.org/CVERecord?id=CVE-2026-34346"}],"remediation":[],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34346"],"sources":[{"name":"CVE","id":"CVE-2026-34346","modified":"2026-11-01T17:32:08.313Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-34346"}],"assessments":[{"source":"microsoft","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","score":5.5}],"sourceAffected":[],"observedAt":"2026-11-01T17:41:22.537Z","kev":{"status":"not-listed","checkedAt":"2026-11-05T15:00:33.530Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-02T10:45:33.212Z","attemptedAt":"2026-11-02T10:45:33.212Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-02T10:45:33.223Z","attemptedAt":"2026-11-02T10:45:33.223Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-02T10:45:33.223Z","attemptedAt":"2026-11-02T10:45:33.223Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-02T10:45:33.223Z","attemptedAt":"2026-11-02T10:45:33.223Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-34346","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34346","modified":"2026-07-22T16:17:17.793","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","checkedAt":"2026-11-02T10:45:33.212Z"},{"source":"ENISA EUVD","id":"EUVD-2026-43969","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-43969","modified":"Nov 1, 2026, 5:32:08 PM","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","checkedAt":"2026-11-02T10:45:33.223Z"},{"source":"FIRST EPSS","id":"CVE-2026-34346","url":"https://www.first.org/epss/","probability":0.0027,"percentile":0.19233,"date":"2026-11-01","checkedAt":"2026-11-02T10:45:33.223Z"},{"source":"GitHub Advisory Database","id":"GHSA-46c5-ppqr-v898","url":"https://github.com/advisories/GHSA-46c5-ppqr-v898","modified":"2026-07-14T18:31:58Z","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","checkedAt":"2026-11-02T10:45:33.223Z"}],"aiSummary":{"text":"The Windows Ancillary Function Driver for WinSock has a vulnerability that allows an authorized attacker to disclose sensitive information locally due to cleartext transmission. Affected versions include various Windows 10 and Windows Server releases. The weakness is described as cleartext transmission of sensitive information.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:56:57.310Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-34346"}]}}