{"id":"CVE-2026-53420","aliases":["EUVD-2026-98754","GHSA-v64v-vg73-53qc"],"status":"published","title":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated...","description":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00315,"percentile":0.24752,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-10-13T14:22:00Z","modified":"2026-10-14T04:18:23Z","products":[{"vendor":"zoom communications","product":"zoom workplace"}],"references":[{"url":"https://www.zoom.com/en/trust/security-bulletin/zsb-26020"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53420"},{"url":"https://github.com/advisories/GHSA-v64v-vg73-53qc"}],"sources":{"cve":[{"id":"CVE-2026-53420","description":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.","status":"published","published":"2026-10-13T14:22:00.033Z","modified":"2026-10-14T03:59:02.674Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-98754","description":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.","status":"published","published":"2026-10-13T14:22:00Z","modified":"2026-10-14T03:59:02Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:17.902641Z"}],"ghsa":[{"id":"GHSA-v64v-vg73-53qc","title":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated...","description":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.","status":"published","published":"2026-10-13T15:32:26Z","modified":"2026-10-13T15:32:36Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:13:11.391487Z"}],"nvd":[{"id":"CVE-2026-53420","description":"Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.","status":"published","published":"2026-10-13T15:17:44.753Z","modified":"2026-10-14T04:18:23.29Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}