{"id":"CVE-2026-96185","aliases":["EUVD-2026-108540","GHSA-p369-hr2h-46vj"],"status":"published","title":"Microsoft Exchange Online Remote Code Execution Vulnerability","description":"Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/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":0.0054,"percentile":0.45742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2026-10-22T21:44:41Z","modified":"2026-11-10T20:33:22Z","products":[{"vendor":"","product":"microsoft exchange online"},{"vendor":"microsoft","product":"microsoft exchange online"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96185","tags":["vendor-advisory","patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96185"},{"url":"https://github.com/advisories/GHSA-p369-hr2h-46vj"}],"sources":{"cve":[{"id":"CVE-2026-96185","title":"Microsoft Exchange Online Remote Code Execution Vulnerability","description":"Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-22T21:44:41.837Z","modified":"2026-11-10T20:33:22.807Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-10T22:18:30.298108Z"}],"euvd":[{"id":"EUVD-2026-108540","description":"Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-22T21:44:41Z","modified":"2026-11-10T20:33:22Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T21:23:24.140442Z"}],"ghsa":[{"id":"GHSA-p369-hr2h-46vj","title":"Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute...","description":"Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-23T00:33:11Z","modified":"2026-10-23T00:33:12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T15:14:18.215402Z"}],"nvd":[{"id":"CVE-2026-96185","description":"Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.","status":"published","published":"2026-10-22T22:19:53.85Z","modified":"2026-10-24T04:18:28.91Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:13:02.724605Z"}]}}