{"id":"CVE-2026-53413","aliases":["EUVD-2026-56239","GHSA-wrrw-27ff-fj23"],"status":"published","title":"Zoom Clients - Buffer Over-write","description":"Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00494,"percentile":0.42885,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2026-08-11T15:55:38Z","modified":"2026-10-24T16:10:00Z","exploits":[{"source":"pocgithub","id":"HORKimhab/CVE-2026-53413","title":"HORKimhab/CVE-2026-53413","date":"2026-08-13","url":"https://github.com/HORKimhab/CVE-2026-53413"}],"products":[{"vendor":"zoom communications","product":"zoom clients"},{"vendor":"zoom communications inc.","product":"zoom clients"}],"references":[{"url":"https://www.zoom.com/en/trust/security-bulletin/zsb-26015"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53413"},{"url":"https://github.com/advisories/GHSA-wrrw-27ff-fj23"}],"sources":{"cve":[{"id":"CVE-2026-53413","title":"Zoom Clients - Buffer Over-write","description":"Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.","status":"published","published":"2026-08-11T15:55:38.502Z","modified":"2026-08-12T04:00:13.383Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:19:59.761005Z"}],"euvd":[{"id":"EUVD-2026-56239","description":"Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.","status":"published","published":"2026-08-11T15:55:38Z","modified":"2026-08-12T04:00:13Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:59.11112Z"}],"ghsa":[{"id":"GHSA-wrrw-27ff-fj23","title":"Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which...","description":"Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.","status":"published","published":"2026-08-11T18:30:47Z","modified":"2026-08-11T18:30:54Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:10:18.151039Z"}],"nvd":[{"id":"CVE-2026-53413","description":"Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.","status":"published","published":"2026-08-11T16:17:32.58Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:36.499002Z"}]}}