{"id":"CVE-2026-69901","aliases":["EUVD-2026-121983","GHSA-chf7-xqpv-r345"],"status":"published","title":"Microsoft Teams for Android Spoofing Vulnerability","description":"Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00392,"percentile":0.33825,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-346"],"published":"2026-11-10T18:19:19Z","modified":"2026-11-10T21:34:03Z","products":[{"vendor":"microsoft","product":"microsoft teams for android"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69901","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-69901"},{"url":"https://github.com/advisories/GHSA-chf7-xqpv-r345"}],"sources":{"cve":[{"id":"CVE-2026-69901","title":"Microsoft Teams for Android Spoofing Vulnerability","description":"Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-11-10T18:19:19.135Z","modified":"2026-11-12T21:46:32.257Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-346"],"updated_at":"2026-11-10T19:39:59.74912Z"}],"euvd":[{"id":"EUVD-2026-121983","description":"Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-11-10T18:19:19Z","modified":"2026-11-12T21:46:32Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-11T00:25:04.029196Z"}],"ghsa":[{"id":"GHSA-chf7-xqpv-r345","title":"Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform...","description":"Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-11-10T21:33:55Z","modified":"2026-11-10T21:34:03Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-346"],"updated_at":"2026-11-10T21:57:55.411542Z"}],"nvd":[{"id":"CVE-2026-69901","description":"Origin validation error in Microsoft Teams for Android allows an unauthorized attacker to perform spoofing over a network.","status":"published","published":"2026-11-10T19:21:19.9Z","modified":"2026-11-11T02:17:15.41Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-346"],"updated_at":"2026-11-11T07:23:51.286099Z"}]}}