{"id":"CVE-2025-53783","aliases":["EUVD-2025-24283","GHSA-56v2-hh65-7486"],"status":"published","title":"Microsoft Teams Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00893,"percentile":0.59774,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-122"],"published":"2025-08-12T17:10:41Z","modified":"2026-06-17T09:38:52Z","exploits":[{"source":"pocgithub","id":"ksgassama-lab/MSTeams---Vulnerability---Remediation","title":"ksgassama-lab/MSTeams---Vulnerability---Remediation","date":"2026-01-14","url":"https://github.com/ksgassama-lab/MSTeams---Vulnerability---Remediation"}],"products":[{"vendor":"microsoft","product":"dynamics_365_guides"},{"vendor":"microsoft","product":"dynamics_365_remote_assist"},{"vendor":"microsoft","product":"microsoft teams for android"},{"vendor":"microsoft","product":"microsoft teams for desktop"},{"vendor":"microsoft","product":"microsoft teams for ios"},{"vendor":"microsoft","product":"microsoft teams for mac, new edition"},{"vendor":"microsoft","product":"teams"},{"vendor":"microsoft","product":"teams for d365 guides hololens"},{"vendor":"microsoft","product":"teams for d365 remote assist hololens"},{"vendor":"microsoft","product":"teams panel"},{"vendor":"microsoft","product":"teams phone"},{"vendor":"microsoft","product":"teams_panels"},{"vendor":"microsoft","product":"teams_phones"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53783","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53783"},{"url":"https://github.com/advisories/GHSA-56v2-hh65-7486"}],"sources":{"cve":[{"id":"CVE-2025-53783","title":"Microsoft Teams Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-08-12T17:10:41.147Z","modified":"2026-02-13T18:54:55.321Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:32:48.853452Z"}],"euvd":[{"id":"EUVD-2025-24283","description":"Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-08-12T17:10:41Z","modified":"2026-02-13T18:54:55Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:39.538725Z"}],"ghsa":[{"id":"GHSA-56v2-hh65-7486","title":"Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code...","description":"Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-08-12T18:31:33Z","modified":"2025-08-12T18:31:40Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:03:15.553141Z"}],"nvd":[{"id":"CVE-2025-53783","description":"Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.","status":"published","published":"2025-08-12T18:15:46.62Z","modified":"2026-06-17T09:38:52.853Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:11:22.953396Z"}]}}