{"id":"CVE-2025-62459","aliases":["EUVD-2025-198367","GHSA-6fq4-36mv-2v76"],"status":"published","title":"Microsoft Defender Portal Spoofing Vulnerability","description":"Microsoft Defender Portal Spoofing Vulnerability","severity":{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00331,"percentile":0.26711,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-11-20T22:18:57Z","modified":"2026-10-18T20:10:00Z","products":[{"vendor":"microsoft","product":"365_defender_portal"},{"vendor":"microsoft","product":"microsoft 365 defender portal"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62459","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62459"},{"url":"https://github.com/advisories/GHSA-6fq4-36mv-2v76"}],"sources":{"cve":[{"id":"CVE-2025-62459","title":"Microsoft Defender Portal Spoofing Vulnerability","description":"Microsoft Defender Portal Spoofing Vulnerability","status":"published","published":"2025-11-20T22:18:57.9Z","modified":"2026-02-26T16:07:41.207Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:54.87586Z"}],"euvd":[{"id":"EUVD-2025-198367","description":"Microsoft Defender Portal Spoofing Vulnerability","status":"published","published":"2025-11-20T22:18:57Z","modified":"2026-02-26T16:07:41Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:48:25.997368Z"}],"ghsa":[{"id":"GHSA-6fq4-36mv-2v76","title":"Microsoft Defender Portal Spoofing Vulnerability","description":"Microsoft Defender Portal Spoofing Vulnerability","status":"published","published":"2025-11-21T00:30:22Z","modified":"2025-11-21T00:30:28Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:54.23412Z"}],"nvd":[{"id":"CVE-2025-62459","description":"Microsoft Defender Portal Spoofing Vulnerability","status":"published","published":"2025-11-20T23:15:56.563Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"3.1","score":8.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:46.009629Z"}]}}