{"id":"CVE-2025-49464","aliases":["EUVD-2025-21022","GHSA-734g-gx24-mvm2"],"status":"published","title":"Zoom Clients for Windows- Classic Buffer Overflow","description":"Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00693,"percentile":0.53251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2025-07-10T16:32:20Z","modified":"2026-06-17T09:31:21Z","products":[{"vendor":"zoom","product":"zoom"},{"vendor":"zoom communications inc.","product":"zoom clients for windows"}],"references":[{"url":"https://https://www.zoom.com/en/trust/security-bulletin/zsb-25028/","tags":["Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49464"},{"url":"https://https://www.zoom.com/en/trust/security-bulletin/zsb-25028"},{"url":"https://github.com/advisories/GHSA-734g-gx24-mvm2"}],"sources":{"cve":[{"id":"CVE-2025-49464","title":"Zoom Clients for Windows- Classic Buffer Overflow","description":"Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.","status":"published","published":"2025-07-10T16:32:20.259Z","modified":"2025-07-10T18:01:56.63Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-21022","description":"Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.","status":"published","published":"2025-07-10T16:32:20Z","modified":"2025-07-10T18:01:56Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:32:09.615515Z"}],"ghsa":[{"id":"GHSA-734g-gx24-mvm2","title":"Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to...","description":"Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.","status":"published","published":"2025-07-10T18:31:28Z","modified":"2025-07-10T18:31:34Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:02:58.788337Z"}],"nvd":[{"id":"CVE-2025-49464","description":"Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.","status":"published","published":"2025-07-10T17:15:47.897Z","modified":"2026-06-17T09:31:21.333Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:11:18.285862Z"}]}}